{"title":"NSK","description":"\u003cp\u003eNSK Micromotors are preferred by professional stonesetters who require a precise and dependable rotary tool that can put up with years of heavy duty production use.  NSK micromotors are our best selling premium micormotor delivering outstanding quality for the money, backed by a 1 year warranty and NSK America's flawless after sales service.\u003c\/p\u003e","products":[{"product_id":"nsk-rg-01-reduction-gear-attachment","title":"Nakanishi NSK RG-01 Reduction Gear Attachment","description":"\u003cp\u003eA speed-reducing attachment for stone setting, seat cutting, and precision hole drilling, the RG-01 mounts between a compatible micromotor and handpiece and trades rotational speed for torque. NSK gears it at an actual 3.92:1 ratio, nominally 4 to 1.\u003c\/p\u003e\u003cp\u003eWith the RG-01 in line, output speed drops to approximately one quarter of the speed indicated on the control box while torque multiplies by roughly four, giving the steady, unhurried rotation that delicate stones and controlled cuts require. The attachment adds 1.65 in. to the motor and handpiece assembly, weighs 2.4 oz, and fits all Emax EVOlution and Electer E-Max handpieces and micromotors.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 to 1 reduction gear ratio, actual ratio 3.92:1, for greater torque at low speed\u003c\/li\u003e\n\u003cli\u003eReduces output speed to approximately 1\/4 of the control box indicated speed\u003c\/li\u003e\n\u003cli\u003eMultiplies torque approximately 4 times for stronger, steadier cuts at low RPM\u003c\/li\u003e\n\u003cli\u003eSuited to stone setting, seat cutting, and precision hole drilling\u003c\/li\u003e\n\u003cli\u003eMounts directly between the micromotor and handpiece for a streamlined assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with all Emax EVOlution and Electer E-Max handpieces and micromotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits all Emax EVOlution and Electer E-Max handpieces and micromotors, mounting between the motor and the handpiece.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eActual gear reduction ratio is 3.92:1; speed and torque values are approximate.\u003c\/li\u003e\n\u003cli\u003eThis is an optional accessory. Micromotor and handpiece sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43486346313942,"sku":"134.552","price":477.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-rg-01-reduction-gear-attachment-otto-frei.jpg?v=1719959208"},{"product_id":"nsk-emax-evolution-micromotor-basic-kit-lever-style-ih300","title":"Nakanishi NSK EMax EVOlution Micromotor Basic Kit - Lever Style","description":"\u003cp\u003eA micromotor system for the drilling, grinding, stone setting and polishing work that happens at the jeweler's bench, supplied here as a basic kit built around a brushless motor, a slim quick-change handpiece and a bench-top control unit. The \u003cstrong\u003eNakanishi NSK EMax EVOlution Micromotor Basic Kit, Lever Style\u003c\/strong\u003e brings professional-grade rotary performance to the bench. Trusted by the finest goldsmiths in the world, NSK micromotors are known for their quality, reliability and smooth, precise power delivery. This kit includes the slim, lightweight \u003cstrong\u003eIH-300 Lever Style quick-change handpiece\u003c\/strong\u003e, which uses a simple flip-lever mechanism to open and close the collet chuck.\u003c\/p\u003e\u003cp\u003eThe system runs across a speed range of \u003cstrong\u003e1,000–40,000 RPM\u003c\/strong\u003e and supports both forward and reverse rotation. Set speed directly on the dial of the \u003cstrong\u003eNE-249 control box\u003c\/strong\u003e, or add the optional foot control to choose between foot-operated set-point control and variable speed control. The NE-249 carries \u003cstrong\u003etwo micromotor inputs\u003c\/strong\u003e, so a second motor and handpiece can be added. With the optional 4:1 reduction gear the range drops to 250–10,000 RPM for detailed low-speed work. The IH-300 is supplied with 3\/32\" and 1\/8\" collets, and the control box runs on 120V.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes the IH-300 Lever Style quick-change handpiece: flip the lever to open, flip it to close\u003c\/li\u003e\n\u003cli\u003eSpeed range 1,000–40,000 RPM direct, or 250–10,000 RPM with the optional 4:1 reduction gear\u003c\/li\u003e\n\u003cli\u003eForward and reverse rotation\u003c\/li\u003e\n\u003cli\u003eNE-249 control box with two micromotor inputs for a dual-motor setup\u003c\/li\u003e\n\u003cli\u003eOptional foot control supports set-point or variable speed operation\u003c\/li\u003e\n\u003cli\u003eIH-300 supplied with 3\/32\" and 1\/8\" collets\u003c\/li\u003e\n\u003cli\u003eSlim, lightweight handpiece design for comfort through long sessions\u003c\/li\u003e\n\u003cli\u003eBuilt on the ENK-410S brushless standard motor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe EMax EVOlution replaces the Electer EMax Series.\u003c\/li\u003e\n\u003cli\u003eThe EVOlution micromotor and foot control are \u003cstrong\u003enot\u003c\/strong\u003e interchangeable with the Electer EMax micromotor and foot control.\u003c\/li\u003e\n\u003cli\u003eAll handpieces are interchangeable between the two series.\u003c\/li\u003e\n\u003cli\u003eThe IH-300 handpiece accepts 3\/32\" and 1\/8\" shanks with the supplied collets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFoot control sold separately.\u003c\/li\u003e\n\u003cli\u003e4:1 reduction gear sold separately.\u003c\/li\u003e\n\u003cli\u003eAvailable for sale and shipment to customers in the United States and Canada only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43486346477782,"sku":"134.593","price":1430.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-basic-kit-lever-style-otto-frei.jpg?v=1719959208"},{"product_id":"nsk-nakanishi-chh-2-35-collet-re11625","title":"Nakanishi NSK 3\/32 (2.35mm) Collet RE11625 for Quick Change","description":"\u003cp\u003e\u003cstrong\u003eNakanishi NSK 3\/32\" (2.35mm) Collet for Quick Change Handpieces\u003c\/strong\u003e — Catalog Number RE11625, Model Number CHH-2.35. This replacement collet is designed for NSK quick change handpieces that use the CHH collet series, ensuring a precise and secure fit for 3\/32\" shank accessories.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with the IH-300 lever type (NSK standard handpiece 134.553), the IR-310 twist type, and the HG-200 torque type handpieces, as well as any NSK handpiece that accepts CHH collets. Keeping a replacement collet on hand ensures minimal downtime when worn collets need to be swapped out in a professional bench setting.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement collet for NSK quick change handpieces\u003c\/li\u003e\n\u003cli\u003eFits 3\/32\" (2.35mm) shank accessories\u003c\/li\u003e\n\u003cli\u003eCompatible with IH-300 lever type, IR-310 twist type, and HG-200 torque type handpieces\u003c\/li\u003e\n\u003cli\u003eFits any NSK handpiece that accepts CHH series collets\u003c\/li\u003e\n\u003cli\u003eModel Number: CHH-2.35\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog Number\u003c\/th\u003e\n\u003ctd\u003eRE11625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Number\u003c\/th\u003e\n\u003ctd\u003eCHH-2.35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Size\u003c\/th\u003e\n\u003ctd\u003e3\/32\" (2.35mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Series\u003c\/th\u003e\n\u003ctd\u003eCHH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNSK \/ Nakanishi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe IH-300 lever type is the NSK standard handpiece listed as item 134.553.\u003c\/li\u003e\n\u003cli\u003eThis collet is compatible with any NSK handpiece that accepts CHH series collets. Verify your handpiece model before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43580562669782,"sku":"134.556","price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-332-2-35mm-collet-re11625-for-quick-change-otto-frei.jpg?v=1719958090"},{"product_id":"nsk-nakanishi-collet-chh-1-59mm-re11659","title":"Nakanishi NSK 1\/16\" (1.59mm) Collet RE11659","description":"\u003cp\u003eThe Nakanishi NSK 1\/16\" (1.6mm) Collet is a precision replacement collet designed for use with select NSK quick-change handpieces. Identified by catalog number \u003cstrong\u003eRE11659\u003c\/strong\u003e and product name \u003cstrong\u003eCHH-1.6\u003c\/strong\u003e, product code 90616, this collet ensures a secure, accurate grip on 1\/16\" shank accessories for reliable performance at the bench.\u003c\/p\u003e\n\u003cp\u003eCompatible with the \u003cstrong\u003eIH-300 lever type\u003c\/strong\u003e (the standard NSK handpiece, also listed as item 134.553), the \u003cstrong\u003eIR-310 twist type\u003c\/strong\u003e, and the \u003cstrong\u003eHG-200 torque type\u003c\/strong\u003e, this collet fits any NSK handpiece that accepts CHH-series collets. Keeping a spare on hand helps minimize downtime when a collet shows wear.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement collet for NSK quick-change handpieces accepting CHH collets\u003c\/li\u003e\n\u003cli\u003e1\/16\" (1.6mm) bore diameter for standard small-shank rotary accessories\u003c\/li\u003e\n\u003cli\u003eCompatible with IH-300 lever type, IR-310 twist type, and HG-200 torque type handpieces\u003c\/li\u003e\n\u003cli\u003eCatalog number RE11659 \/ Legacy Model number CHH-1.6 for precise reordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLegacy Catalog Number\u003c\/th\u003e\n\u003ctd\u003eRE11659\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eCHH-1.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Bore Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/16\" (1.6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Series\u003c\/th\u003e\n\u003ctd\u003eCHH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNSK \/ Nakanishi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIH-300\u003c\/strong\u003e lever type handpiece (standard handpiece, item 134.553)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR-310\u003c\/strong\u003e twist type handpiece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHG-200\u003c\/strong\u003e torque type handpiece\u003c\/li\u003e\n\u003cli\u003eAny NSK handpiece accepting CHH-series collets\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43580565323990,"sku":"134.558","price":96.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-116-1-59mm-collet-re11659-otto-frei.jpg?v=1719958090"},{"product_id":"nsk-electer-e-max-brush-set-micromotor","title":"NSK Electer E-Max Brush Set for the Micromotor","description":"\u003cp\u003eKeep your NSK Electer E-Max micromotor running at peak performance with genuine replacement carbon brushes. Regular brush replacement is a standard part of micromotor maintenance, and using the correct OEM brush set helps ensure consistent motor function and extends the working life of your handpiece system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine NSK replacement carbon brush set designed for the Electer E-Max micromotor\u003c\/li\u003e\n\u003cli\u003eSupports consistent electrical contact and reliable motor operation\u003c\/li\u003e\n\u003cli\u003eStandard maintenance component for prolonging micromotor service life\u003c\/li\u003e\n\u003cli\u003eSourced directly from NSK for assured fit and compatibility with the Electer E-Max system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNSK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eNSK Electer E-Max Micromotor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eReplacement Carbon Brush Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis brush set is intended specifically for the NSK Electer E-Max micromotor. Consult your NSK Electer E-Max documentation or service manual for brush replacement intervals and installation instructions.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43580738601174,"sku":"134.557","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-electer-e-max-brush-set-for-the-micromotor-otto-frei.jpg?v=1719958009"},{"product_id":"nakanishi-nsk-lever-quick-change-handpiece-ih-300","title":"Nakanishi NSK Lever Style Quick-Change Handpiece IH-300","description":"\u003cp\u003eA lever-activated quick-change handpiece for precision rotary work at the bench, so burs swap over without a chuck key in jewelry making and related metalsmithing. The Nakanishi NSK IH-300 is a handpiece-only unit that works with both the current Nakanishi EVOlution micromotor and the older Nakanishi NSK Electer E-Max micromotor, which makes it a versatile replacement or spare for professionals already working within the NSK ecosystem. The IH-300 is also used in many NSK micromotor kits. It weighs 2.19 oz, measures 2.36\" attached to a micromotor, and ships with a 3\/32\" (2.35 mm) collet and a 1\/8\" (3.175 mm) collet, which is also its maximum collet size. \u003cstrong\u003eThe micromotor with power cord is sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis product is only available to customers in the United States and Canada.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLever-activated quick-change chuck for fast, tool-free bit swaps\u003c\/li\u003e\n\u003cli\u003eLightweight construction at just 2.19 oz for reduced hand fatigue during extended use\u003c\/li\u003e\n\u003cli\u003eCompatible with the Nakanishi EVOlution and Nakanishi NSK Electer E-Max micromotors\u003c\/li\u003e\n\u003cli\u003eIncludes one 3\/32\" (2.35 mm) collet and one 1\/8\" (3.175 mm) collet\u003c\/li\u003e\n\u003cli\u003eOptional collets available by special order in 1.0 mm, 1.5 mm, 1.6 mm, 2.0 mm, 2.5 mm, and 3.0 mm sizes\u003c\/li\u003e\n\u003cli\u003eMaximum collet size is 1\/8\" (3.175 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits the Nakanishi EVOlution micromotor and the older Nakanishi NSK Electer E-Max micromotor\u003c\/li\u003e\n\u003cli\u003eAccepts 3\/32\" (2.35 mm) and 1\/8\" (3.175 mm) shank tools with the two supplied collets, up to a 1\/8\" (3.175 mm) maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eOptional collets in 1.0 mm, 1.5 mm, 1.6 mm, 2.0 mm, 2.5 mm, and 3.0 mm are available by special order. The micromotor and power cord are not included and must be purchased separately. This product cannot be sold or shipped outside the United States and Canada.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581009592534,"sku":"134.553","price":407.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-lever-style-quick-change-handpiece-ih-300-otto-frei.jpg?v=1719957784"},{"product_id":"nsk-nk351-electer-emax-standard-micromotor","title":"NSK Electer E-Max NK-351 Standard Micromotor EMX8003","description":"\u003cp\u003eA standard micromotor for high-speed rotary work at the bench, reaching a maximum speed of 35,000 RPM for drilling, grinding, and finishing that requires precision. The NSK Electer E-Max NK-351 (EMX8003) is the original motor unit built for the NSK Electer E-Max control box, the same standard micromotor that ships with the Electer E-Max system, and it is made in Japan. It is the 110V version and includes the power cord.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This motor is engineered specifically for the Electer E-Max and is not compatible with the Nakanishi NSK Evolution Series control box. It will not plug into or function with the Evolution Series unit, so verify your control box model before ordering.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement or spare motor for the NSK Electer E-Max system\u003c\/li\u003e\n\u003cli\u003eMaximum speed of 35,000 RPM for high-performance rotary work\u003c\/li\u003e\n\u003cli\u003eIncludes power cord\u003c\/li\u003e\n\u003cli\u003eDesigned exclusively for the NSK Electer E-Max control box\u003c\/li\u003e\n\u003cli\u003eNot compatible with the Nakanishi NSK Evolution Series control box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis motor works with the \u003cstrong\u003eNSK Electer E-Max control box only\u003c\/strong\u003e. It does \u003cstrong\u003enot\u003c\/strong\u003e connect to or operate with the Nakanishi NSK Evolution Series control box. Handpiece sold separately.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eShips with the NK-351 standard micromotor and its power cord.\u003c\/li\u003e\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581010313430,"sku":"134.553A","price":698.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-electer-e-max-nk-351-standard-micromotor-emx8003-otto-frei.jpg?v=1719957783"},{"product_id":"nsk-hammer-handpiece-ha-500","title":"Nakanishi NSK Hammer Handpiece HA-500","description":"\u003cp\u003eA hammer handpiece for controlled, repeatable impact work at the bench, for hammer setting, texturing, and other tasks that call for measured blows rather than a spinning bur. The \u003cstrong\u003eNSK Hammer Handpiece HA-500\u003c\/strong\u003e, catalog number RE18060, is a precision pneumatic-style hammer handpiece engineered for professional jewelers and metalsmiths. It attaches directly to compatible NSK Electer E-Max and Emax EVOlution micromotors and delivers a wide stroke-rate range from a self-lubricating mechanism built for lasting durability in demanding bench environments. Spring pressure is adjustable across a 0.4 mm stroke range, the handpiece measures 3.66\" once attached to a micromotor, it is supplied with one blank hammer tip, and it is made in Japan.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStroke rate range of 25–5000 strokes per minute for versatile impact control\u003c\/li\u003e\n\u003cli\u003eAdjustable spring pressure with a stroke range of 0.4 mm\u003c\/li\u003e\n\u003cli\u003eSelf-lubricating hammer mechanism for durability and low maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible with NK-351 and NK-261 Electer E-Max motors and Emax EVOlution motors ENK-410S and ENK-250T\u003c\/li\u003e\n\u003cli\u003eSupplied with one blank hammer tip\u003c\/li\u003e\n\u003cli\u003eOnly genuine NSK hammer tips are compatible with this handpiece\u003c\/li\u003e\n\u003cli\u003eMeasures 3.66\" when attached to a micromotor\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis handpiece is compatible with the following NSK micromotors: \u003cstrong\u003eNK-351\u003c\/strong\u003e and \u003cstrong\u003eNK-261\u003c\/strong\u003e Electer E-Max motors, and Emax EVOlution motors \u003cstrong\u003eENK-410S\u003c\/strong\u003e and \u003cstrong\u003eENK-250T\u003c\/strong\u003e. Only genuine NSK hammer tips are designed for use with this handpiece, and third-party tips are not compatible.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Only genuine NSK tips will function correctly with the HA-500 hammer handpiece. Using non-NSK tips may result in improper operation or damage to the mechanism.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581092823254,"sku":"134.562","price":779.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-hammer-handpiece-ha-500-otto-frei.jpg?v=1719957748"},{"product_id":"nsk-emax-evolution-enk-410s-brushless-standard-motor-emx8086","title":"Nakanishi NSK Emax Evolution ENK-410S Brushless Standard Motor EMX8086","description":"\u003cp\u003eA slim brushless micromotor carries the drilling, grinding, and stone setting work at the bench with no brushes to replace. The NSK Emax Evolution ENK-410S is a brushless standard motor designed exclusively for use with the NSK Emax Evolution control box. It is important to note that this motor is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the earlier generation Nakanishi NSK Electer E-max Series control box; the two systems are not interchangeable.\u003c\/p\u003e\u003cp\u003eThis motor delivers an excellent combination of high speed and torque in a slim, lightweight profile that weighs 3.84 oz without the cord, making it ideal for precision work such as stone setting. It is the \u003cstrong\u003estandard motor included with most NSK Emax Evolution kits\u003c\/strong\u003e offered by Otto Frei.\u003c\/p\u003e\u003cp\u003ePowered by a high-performance samarium cobalt magnet, the ENK-410S operates with extremely quiet, smooth performance across its full speed range, from low-speed detail work up to 40,000 rpm, with stepless speed adjustment throughout and up to 4.3 cN·m of torque. It is made in Japan.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance samarium cobalt magnet motor\u003c\/li\u003e\n\u003cli\u003eBrushless design for superior durability and reliability\u003c\/li\u003e\n\u003cli\u003eHigh accuracy, lightweight, and compact form factor\u003c\/li\u003e\n\u003cli\u003eMajor reduction of RF noise during operation\u003c\/li\u003e\n\u003cli\u003eExtremely quiet operation from low to high speed\u003c\/li\u003e\n\u003cli\u003eStepless speed adjustment across the full speed range\u003c\/li\u003e\n\u003cli\u003eIdeal for precision applications including stone setting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis motor is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the earlier Nakanishi NSK Electer E-max Series control box. It is designed solely for the NSK Emax Evolution system. For higher torque requirements, the optional hi-torque motor SKU ENK-250T (Catalog # EMX8087) is available separately; that motor offers 4.8 cN·m of torque but reaches a maximum speed of 25,000 rpm.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581093839062,"sku":"134.586","price":836.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-enk-410s-brushless-standard-motor-emx8086-otto-frei.jpg?v=1719957744"},{"product_id":"nsk-emax-evolution-enk-250t-brushless-hi-torque-motor-emx8087","title":"Nakanishi NSK Emax Evolution ENK-250T Brushless Hi Torque Motor EMX8087","description":"\u003cp\u003eWhen larger burs load down a standard micromotor, a hi-torque motor keeps the cut moving at the bench. The NSK Emax Evolution ENK-250T is a brushless hi-torque motor designed exclusively for the NSK Emax Evolution control box, and it is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the earlier generation NSK Electer E-max Series control box. Compared with the standard ENK-410S motor (EMX8086), the ENK-250T delivers more torque at the cost of a lower maximum speed: 25,000 rpm rather than 40,000 rpm. This makes it the preferred choice for applications that demand greater rotational force, such as work with larger burs.\u003c\/p\u003e\u003cp\u003eA high-performance samarium cobalt magnet powers this brushless motor, giving an exceptional combination of high speed and high torque in a lightweight, compact form that weighs 5-1\/8 oz without the cord. It runs 1,000–25,000 rpm with stepless speed adjustment, produces up to 4.8 cN·m of torque, and stays extremely quiet across the full speed range. It is made in Japan.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance samarium cobalt magnet for superior power delivery\u003c\/li\u003e\n\u003cli\u003eHigh torque output, ideal for use with larger burs\u003c\/li\u003e\n\u003cli\u003eSpeed range of 1,000–25,000 rpm with stepless adjustment\u003c\/li\u003e\n\u003cli\u003eExtremely quiet operation from low to high speed\u003c\/li\u003e\n\u003cli\u003eMajor reduction of RF noise\u003c\/li\u003e\n\u003cli\u003eHigh accuracy, lightweight, and compact design\u003c\/li\u003e\n\u003cli\u003eHigh reliability and superior durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis motor works with the NSK Emax Evolution system \u003cstrong\u003eonly\u003c\/strong\u003e. It will not plug into or operate with the earlier NSK Electer E-max Series control box. For the standard speed motor option with a 40,000 rpm maximum, see ENK-410S (EMX8086).\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581096067286,"sku":"134.588","price":953.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-enk-250t-brushless-hi-torque-motor-emx8087-otto-frei.jpg?v=1719957744"},{"product_id":"nsk-ir-310-ring-type-handpiece","title":"Nakanishi NSK IR-310 Twist to Open Quick Change Ring Type Handpiece","description":"\u003cp\u003eA quick change ring type handpiece for detailed engraving, grinding, drilling and finishing at the bench, the IR-310 twists open and twists closed so burs come out and go in without a wrench or chuck key. NSK builds it 3-1\/2\" long and 1\" in diameter, a balanced, ergonomic profile for close work over a long session.\u003c\/p\u003e\u003cp\u003eThe IR-310 runs on the NSK Electer E-Max and Nakanishi NSK Evolution micromotors, and optional reduction gear units can be fitted between the handpiece and the motor when a job calls for lower speed. Two collets ship with the handpiece, 3\/32\" and 1\/8\", covering the most common rotary bur shank sizes used in jewelry making and metalsmithing.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwist to open, twist to close quick change ring for tool-free collet access\u003c\/li\u003e\n\u003cli\u003eAccepts 3\/32\" and 1\/8\" shank burs, with both collets included\u003c\/li\u003e\n\u003cli\u003eAccepts optional reduction gear units between the handpiece and the micromotor\u003c\/li\u003e\n\u003cli\u003eCompact, ergonomic form factor for detailed bench work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNSK Electer E-Max micromotors\u003c\/li\u003e\n\u003cli\u003eNakanishi NSK Evolution micromotors\u003c\/li\u003e\n\u003cli\u003eOptional reduction gear units mount between the handpiece and the motor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eShips with the IR-310 handpiece and both collets, 3\/32\" and 1\/8\".\u003c\/li\u003e\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581096526038,"sku":"134.590","price":407.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-ir-310-twist-to-open-quick-change-ring-type-handpiece-otto-frei.jpg?v=1719957744"},{"product_id":"nakanishi-nsk-belt-sander-handpiece-kbs-101","title":"Nakanishi NSK Belt Sander Handpiece KBS-101","description":"\u003cp\u003eThe Nakanishi NSK KBS-101 Belt Sander Handpiece is a precision attachment designed for controlled sanding of flat and curved surfaces in fine detail work. Engineered for high-speed performance, it delivers belt speeds up to 2,700 ft\/min, providing efficient material removal with excellent surface control. Compact and well-balanced, it brings flexible sanding capability directly to your micromotor system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCatalog Number KVBS61065, Model KBS-101\u003c\/li\u003e\n\u003cli\u003eAccepts 4 mm, 6 mm, and 8 mm wide sanding belts\u003c\/li\u003e\n\u003cli\u003eBelt speed up to 2,700 ft\/min\u003c\/li\u003e\n\u003cli\u003eQuick belt changes with simple lever release mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for sanding flat and curved surfaces\u003c\/li\u003e\n\u003cli\u003eCompatible with NSK Emax Evolution and NSK Electer E-Max micromotors\u003c\/li\u003e\n\u003cli\u003eSupplied with 18 sanding belts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eKBS-101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog Number\u003c\/th\u003e\n\u003ctd\u003eKVBS61065\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length (Mounted)\u003c\/th\u003e\n\u003ctd\u003e7.28 in (185 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Width Compatibility\u003c\/th\u003e\n\u003ctd\u003e4 mm, 6 mm, 8 mm (0.16 in, 0.24 in, 0.31 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Belt Speed\u003c\/th\u003e\n\u003ctd\u003e2,700 ft\/min (823 m\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNakanishi NSK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKBS-101 Belt Sander Handpiece\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSanding Belts\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with Nakanishi NSK Emax Evolution and NSK Electer E-Max micromotor systems.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eMicromotor sold separately. Use only approved belt sizes (4 mm, 6 mm, or 8 mm widths) for proper operation and performance.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581215899862,"sku":"134.565","price":790.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-belt-sander-handpiece-kbs-101-otto-frei.jpg?v=1719957656"},{"product_id":"nsk-emax-evolution-fc64-foot-control","title":"Nakanishi NSK EMax EVOlution FC64 Foot Control","description":"\u003cp\u003eThe NSK EMax EVOlution FC64 Foot Control is a dedicated foot pedal designed for use with NSK EVOlution systems. It functions as both an ON\/OFF switch and a variable speed control, allowing hands-free operation while you work. This foot control is \u003cstrong\u003enot compatible with NSK Electer E-Max Control Units\u003c\/strong\u003e, and it is not voltage specific — it operates across all voltages, including 120V and 230V.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is only available to customers in the United States and Canada. It is not sold or shipped outside these regions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFunctions as both an ON\/OFF switch and variable speed control\u003c\/li\u003e\n\u003cli\u003eDesigned for use with NSK EVOlution systems\u003c\/li\u003e\n\u003cli\u003eNot voltage specific — compatible with 120V and 230V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible\u003c\/strong\u003e with NSK Electer E-Max Control Units\u003c\/li\u003e\n\u003cli\u003eEnables hands-free speed and power management at the bench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e8106\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage Compatibility\u003c\/th\u003e\n\u003ctd\u003eNot voltage specific — 120V \/ 230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eNSK EVOlution systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncompatible With\u003c\/th\u003e\n\u003ctd\u003eNSK Electer E-Max Control Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailability\u003c\/th\u003e\n\u003ctd\u003eUnited States and Canada only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is \u003cstrong\u003enot\u003c\/strong\u003e compatible with NSK Electer E-Max Control Units.\u003c\/li\u003e\n\u003cli\u003eSales and shipping are restricted to customers in the United States and Canada only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581219471574,"sku":"134.584","price":132.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-fc64-foot-control-otto-frei.jpg?v=1719957657"},{"product_id":"nsk-luster-ls-100-polishing-handpiece","title":"Nakanishi NSK Luster LS-100 Polishing Handpiece LS10815","description":"\u003cp\u003eThe \u003cstrong\u003eNakanishi NSK Luster LS-100\u003c\/strong\u003e is a professional reciprocating stroke polishing handpiece designed for use with Nakanishi NSK Emax EVOlution and Electer E-Max Micromotors. Built for sustained bench use, this handpiece delivers powerful, adjustable reciprocating action that gives jewelers and metalsmiths precise control over polishing and grinding operations.\u003c\/p\u003e\n\u003cp\u003eThe rubber-coated grip absorbs vibration generated by the reciprocating stroke, significantly reducing operator fatigue during long, continuous polishing sessions. The fully adjustable stroke range and rotating arbor angle make the LS-100 a versatile tool for detailed finishing work across a variety of surfaces and contours.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReciprocating stroke action for controlled polishing and grinding\u003c\/li\u003e\n\u003cli\u003eStroke rate fully adjustable from \u003cstrong\u003e0 to 7,600 strokes per minute\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStroke length adjustable from \u003cstrong\u003e0 to 6mm\u003c\/strong\u003e via stroke cam on top of handpiece\u003c\/li\u003e\n\u003cli\u003eGrindstone arbor tilt angle adjustable via \u003cstrong\u003e0–360° rotating top dial\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRubber-coated grip absorbs vibration, reducing hand fatigue\u003c\/li\u003e\n\u003cli\u003eWell-balanced design supports long continuous operation\u003c\/li\u003e\n\u003cli\u003eCompatible with Nakanishi NSK Emax EVOlution and Electer E-Max Micromotors\u003c\/li\u003e\n\u003cli\u003eComes with various attachment tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eLS10815\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStroke Rate\u003c\/th\u003e\n\u003ctd\u003e0–7,600 strokes per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStroke Length\u003c\/th\u003e\n\u003ctd\u003e0–6mm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArbor Tilt Adjustment\u003c\/th\u003e\n\u003ctd\u003e0–360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrip Material\u003c\/th\u003e\n\u003ctd\u003eRubber-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eNakanishi NSK Emax EVOlution, Electer E-Max Micromotors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLuster LS-100 polishing handpiece\u003c\/li\u003e\n\u003cli\u003eVarious attachment tools (as pictured)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe Luster LS-100 is compatible with \u003cstrong\u003eNakanishi NSK Emax EVOlution\u003c\/strong\u003e and \u003cstrong\u003eElecter E-Max Micromotors\u003c\/strong\u003e. Confirm compatibility with your specific micromotor model before ordering.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43581295231190,"sku":"134.576","price":1165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-luster-ls-100-polishing-handpiece-ls10815-otto-frei.jpg?v=1719957613"},{"product_id":"nsk-emax-evolution-8232-torque-motor-kit-ring-style-ir310","title":"Nakanishi NSK 8232 EMax EVOlution Micromotor Torque Type Motor Basic Kit-Ring Style","description":"\u003cp\u003eThe NSK Nakanishi EMax EVOlution 8232 Basic Kit is a professional-grade micromotor system built for the demands of fine goldsmithing and bench work. Centered on the \u003cstrong\u003eENK-250T Torque Type motor\u003c\/strong\u003e, this kit delivers smooth, precise rotary power across a wide speed range and is trusted on the benches of accomplished metalsmiths and jewelers worldwide. This kit is distinguished by its inclusion of the \u003cstrong\u003eIR310 Ring Style quick-change handpiece\u003c\/strong\u003e, which uses a twist-to-open, twist-to-close collet mechanism—a straightforward, reliable alternative to the lever-type handpiece found in standard kits.\u003c\/p\u003e\u003cp\u003eThe ENK-250T motor is slightly larger and more powerful than the standard ENK-410S, trading a higher top-end RPM for increased torque output. Speed runs from 1,000 to 25,000 RPM—or 250 to 6,250 RPM when using the optional reduction gear. The system can be operated directly from the NE-249 control box dial, or paired with an optional foot control for either set-point or variable speed operation. Forward and reverse modes are supported. This is a 120V unit.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis product is sold and shipped to customers in the United States and Canada only.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eENK-250T Torque Type motor—larger and more powerful than the standard ENK-410S\u003c\/li\u003e\n\u003cli\u003eSpeed range: 1,000–25,000 RPM (250–6,250 RPM with optional reduction gear)\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eIR310 Ring Style quick-change handpiece—twist-to-open, twist-to-close collet\u003c\/li\u003e\n\u003cli\u003eOperable directly from the NE-249 control box dial\u003c\/li\u003e\n\u003cli\u003eCompatible with optional foot control for set-point or variable speed operation\u003c\/li\u003e\n\u003cli\u003e120V system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ Kit Number\u003c\/th\u003e\n\u003ctd\u003e8232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003eENK-250T Torque Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed Range\u003c\/th\u003e\n\u003ctd\u003e1,000–25,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed Range (with optional reduction gear)\u003c\/th\u003e\n\u003ctd\u003e250–6,250 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece\u003c\/th\u003e\n\u003ctd\u003eIR310 Ring Style (twist-to-open \/ twist-to-close)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Box\u003c\/th\u003e\n\u003ctd\u003eNE-249, 120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailability\u003c\/th\u003e\n\u003ctd\u003eUnited States and Canada only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNE-249 Control Box (120V)\u003c\/li\u003e\n\u003cli\u003eENK-250T Torque Type Motor\u003c\/li\u003e\n\u003cli\u003eIR310 Ring Style Quick-Change Handpiece\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43582675353814,"sku":"134.601","price":1686.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-8232-emax-evolution-micromotor-torque-type-motor-basic-kit-ring-style-otto-frei.jpg?v=1719956906"},{"product_id":"nsk-emax-evolution-deluxe-kit-ne249-enk410s-ih300-lever-120v","title":"Nakanishi NSK EMax EVOlution Micromotor Deluxe Kit - Lever Style","description":"\u003cp\u003eA micromotor system takes the drilling, grinding, polishing, and stone setting work at the bench with the motor in your hand and the speed under your foot. The Nakanishi (NSK) EMax EVOlution Deluxe Jewelers Kit (Part # 134.555) pairs the NE-249 control unit with the ENK-410S brushless standard micromotor and the IH300 lever style quick-change handpiece, then adds the RG-01 4:1 reduction gear and the FC64 foot control for precise low speed torque, set and forget speed control, or fully variable operation at the pedal. The system runs 1,000–40,000 RPM direct and 250–10,000 RPM through the reduction gear, draws 120V at 3 A, and takes 3\/32\" (2.35 mm) and 1\/8\" (3.18 mm) collets for standard bur shanks.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide speed range:\u003c\/strong\u003e 1,000–40,000 RPM direct; 250–10,000 RPM with the RG-01 reduction gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward and reverse\u003c\/strong\u003e with smooth, precise power delivery for drilling, grinding, polishing, and stone setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo foot control modes:\u003c\/strong\u003e set-point (on and off to a preset speed) or variable speed control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual motor ports:\u003c\/strong\u003e the NE-249 control box provides two micromotor inputs for adding a second motor and handpiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-change handpiece:\u003c\/strong\u003e IH300 lever style, flip to open and close, with 3\/32\" and 1\/8\" collets included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow speed torque:\u003c\/strong\u003e the RG-01 4:1 reduction gear enhances control for stone setting and delicate work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNSK reliability:\u003c\/strong\u003e built for long service life and repeatable results on professional benches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e120V model. Verify voltage compatibility for your location before ordering.\u003c\/li\u003e\n\u003cli\u003eUse the correct collets and bur shanks, 3\/32\" or 1\/8\", to prevent runout and premature wear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43582676730070,"sku":"134.599","price":1835.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-deluxe-kit-lever-style-otto-frei.jpg?v=1719956904"},{"product_id":"nakanishi-nsk-emax-evolution-micromotor-deluxe-kit-ir310-ring-style","title":"Nakanishi NSK EMax EVOlution Micromotor Deluxe Kit - Ring Style","description":"\u003cp\u003eA complete micromotor system for fine goldsmithing and stone setting at the bench, delivering the smooth power and low-speed torque that close work demands. The Nakanishi NSK EMax EVOlution Deluxe Kit, Ring Style, is a professional configuration that bundles the NE-249 control box, the IR310 Ring Style handpiece, the ENK-410S brushless standard micromotor, a 4-to-1 reduction gear attachment and the FC64 foot control at one price. You will find the NSK EMax EVOlution on the benches of the finest goldsmiths in the world.\u003c\/p\u003e\n\u003cp\u003eThe system operates from 1,000 to 40,000 RPM in standard mode, or 250 to 10,000 RPM when the reduction gear is engaged, which is the exceptional torque and low-speed control that stone setting requires. Speed can be managed directly from the control box or through the included foot control, and both forward and reverse operation are supported. The NE-249 control box runs on 120V, 3A and has two micromotor inputs, so a second motor and handpiece can be added in the future.\u003c\/p\u003e\n\u003cp\u003eThe IR310 Ring Style handpiece uses a twist-to-open, twist-to-close collet mechanism and is slim and lightweight for extended use. It is supplied with 3\/32\" and 1\/8\" collets.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete deluxe micromotor kit including control box, handpiece, micromotor, reduction gear, and foot control\u003c\/li\u003e\n\u003cli\u003eSpeed range: 1,000–40,000 RPM standard; 250–10,000 RPM with reduction gear engaged\u003c\/li\u003e\n\u003cli\u003e4-to-1 reduction gear attachment included for high-torque, low-speed applications such as stone setting\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eFoot control included for hands-free speed management; variable speed also operable directly from the box\u003c\/li\u003e\n\u003cli\u003eNE-249 Control Box accepts two micromotor inputs for future expansion\u003c\/li\u003e\n\u003cli\u003eIR310 Ring Style handpiece: slim, lightweight, twist-to-open\/twist-to-close collet system\u003c\/li\u003e\n\u003cli\u003eSupplied with 3\/32\" and 1\/8\" collets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNE-249 control box accepts two micromotor inputs, allowing a second motor and handpiece to be added later\u003c\/li\u003e\n\u003cli\u003eIR310 Ring Style handpiece accepts 3\/32\" and 1\/8\" shank tools using the two supplied collets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThis product is available for sale and shipment to customers in the United States and Canada only.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43582677745878,"sku":"134.598","price":1835.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-deluxe-kit-ring-style-otto-frei.jpg?v=1719956904"},{"product_id":"nakanishi-nsk-emax-evolution-micromotor-standard-kit-lever-style-ih300","title":"Nakanishi NSK EMax EVOlution Micromotor Standard Kit - Lever Style","description":"\u003cp\u003eA professional micromotor system for goldsmithing and general bench work, giving you smooth, precise power whether you drive it from the foot control or straight from the control box. The Nakanishi NSK EMax EVOlution Standard Jewelers Kit is found on the benches of the finest goldsmiths in the world, and Nakanishi (NSK) is recognized for outstanding quality and reliability. This standard kit pairs the NE-249 control box with the ENK-410S brushless standard motor, the FC64 foot control and the IH300 Lever Style handpiece.\u003c\/p\u003e\n\u003cp\u003eThe system runs from 1,000 to 40,000 RPM, forward or reverse, on a 120V, 3A supply. The IH300 handpiece is slim and lightweight with a flip-lever quick-change collet system, and it is supplied with both a 3\/32\" and a 1\/8\" collet so it takes tools in either shank size.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpeed range of 1,000–40,000 RPM with direct control or foot control operation\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eChoice of foot-operated set point control or variable speed control\u003c\/li\u003e\n\u003cli\u003eNE-249 Control Box includes 2 micromotor inputs, so a second motor and handpiece can be added as needed\u003c\/li\u003e\n\u003cli\u003eIH300 Lever Style handpiece features a slim, lightweight design with flip-lever quick-change collet system (flip to open, flip to close)\u003c\/li\u003e\n\u003cli\u003eHandpiece supplied with both a 3\/32\" and a 1\/8\" collet\u003c\/li\u003e\n\u003cli\u003eOptional 4-to-1 reduction gear (part 134.552) reduces the speed range to 250–10,000 RPM for increased low-speed torque, which stone setters starting drill holes will want\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNE-249 control box accepts two micromotor inputs, allowing a second motor and handpiece to be added as needed\u003c\/li\u003e\n\u003cli\u003eIH300 Lever Style handpiece accepts 3\/32\" and 1\/8\" shank tools using the two supplied collets\u003c\/li\u003e\n\u003cli\u003eOptional 4-to-1 reduction gear (part 134.552) is sold separately and drops the range to 250–10,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis unit operates on 120V and is \u003cstrong\u003eavailable for sale and shipment within the United States and Canada only\u003c\/strong\u003e. For stone setters requiring increased low-speed torque when starting drill holes, the optional 4-to-1 reduction gear (part 134.552) is available separately and reduces the operating speed range to 250–10,000 RPM.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43582680662230,"sku":"134.596","price":1483.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-standard-kit-lever-style-otto-frei.jpg?v=1719956904"},{"product_id":"nsk-emax-evolution-micromotor-standard-kit-ir310-ring-style","title":"Nakanishi NSK EMax EVOlution Micromotor Standard Kit - Ring Style","description":"\u003cp\u003eA micromotor system for the drilling, grinding, stone setting and polishing done at the jeweler's bench, supplied as a complete working setup. The \u003cstrong\u003eNakanishi NSK EMax EVOlution Standard Kit\u003c\/strong\u003e with the \u003cstrong\u003eIR310 Ring Style\u003c\/strong\u003e handpiece brings professional-grade micromotor performance to the bench. Trusted by the finest goldsmiths worldwide, NSK Nakanishi micromotors are renowned for their quality, precision and long-term reliability. This kit bundles everything needed to get started in a single package.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eNE-249\u003c\/strong\u003e 120V control box draws 3 amps and delivers smooth, precise power across a speed range of \u003cstrong\u003e1,000–40,000 RPM\u003c\/strong\u003e, with forward and reverse operation. Set speed with the included \u003cstrong\u003eFC64 foot control\u003c\/strong\u003e or adjust it directly on the control box, which has a compact 5\" x 9\" footprint. The NE-249 carries two micromotor inputs, so a second motor and handpiece can be added later. The IR310 ring style handpiece uses a twist-to-open, twist-to-close quick-change chuck, is slim and lightweight for long sessions, and is supplied with 3\/32\" and 1\/8\" collets, so it takes both of those shank sizes out of the box.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed range of 1,000–40,000 RPM, or 250–10,000 RPM with the optional reduction gear\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eFoot-operated set point control or variable speed control from the box\u003c\/li\u003e\n\u003cli\u003eNE-249 control box includes two micromotor inputs for future expansion\u003c\/li\u003e\n\u003cli\u003eIR310 ring style handpiece with twist-to-open, twist-to-close quick-change mechanism\u003c\/li\u003e\n\u003cli\u003eSlim, lightweight handpiece design for extended bench use\u003c\/li\u003e\n\u003cli\u003eIR310 supplied with 3\/32\" and 1\/8\" collets\u003c\/li\u003e\n\u003cli\u003eFC64 foot control included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe IR310 handpiece takes 3\/32\" and 1\/8\" shanks with the supplied collets.\u003c\/li\u003e\n\u003cli\u003eThe NE-249 control box accepts two micromotors, so a second motor and handpiece can run from the same box.\u003c\/li\u003e\n\u003cli\u003eAn optional reduction gear drops the operating range to 250–10,000 RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe reduction gear is sold separately and is not included in this kit.\u003c\/li\u003e\n\u003cli\u003eThis product is available for purchase and shipment \u003cstrong\u003eonly within the United States and Canada\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43582681284822,"sku":"134.597","price":1483.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-standard-kit-ring-style-otto-frei.jpg?v=1719956904"},{"product_id":"nsk-emax-evolution-micromotor-basic-kit-ring-style-ir310","title":"Nakanishi NSK EMax EVOlution Micromotor Basic Kit - Ring Style","description":"\u003cp\u003eA micromotor system for the grinding, drilling, stone setting and polishing done at the jeweler's bench. The \u003cstrong\u003eNakanishi NSK EMax EVOlution Micromotor Basic Kit, Ring Style\u003c\/strong\u003e brings together three core components in a single professional package: the \u003cstrong\u003eNE-249\u003c\/strong\u003e Control Box, the \u003cstrong\u003eENK-410S\u003c\/strong\u003e Standard Micromotor and the \u003cstrong\u003eIR310\u003c\/strong\u003e Ring Style handpiece. Trusted by goldsmiths and jewelers worldwide, NSK micromotors are recognized for exceptional build quality, smooth power delivery and long-term reliability.\u003c\/p\u003e\u003cp\u003eThe system operates at \u003cstrong\u003e1,000–40,000 RPM\u003c\/strong\u003e and supports both forward and reverse rotation. Set speed directly from the dial on the NE-249 Control Box, or, when paired with the optional foot control, through foot-operated set point control or variable speed control. The NE-249 features two motor inputs, so a second motor and handpiece can be added at any time. This is a \u003cstrong\u003e120V unit\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe ENK-410S motor is the most popular NSK motor among jewelers: slim, vibration-free and highly reliable. The IR310 Ring Style handpiece uses a twist-to-open, twist-to-close quick-change mechanism and is supplied with both 3\/32\" and 1\/8\" collets, so it takes 3\/32\" and 1\/8\" shanks straight out of the box.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpeed range 1,000–40,000 RPM, or 250–10,000 RPM with the optional 4:1 reduction gear\u003c\/li\u003e\n\u003cli\u003eForward and reverse rotation\u003c\/li\u003e\n\u003cli\u003eSpeed controlled by the dial on the NE-249 Control Box or by optional foot control\u003c\/li\u003e\n\u003cli\u003eOptional foot control enables set point or variable speed operation\u003c\/li\u003e\n\u003cli\u003eNE-249 Control Box accepts two micromotor inputs for expanded capability\u003c\/li\u003e\n\u003cli\u003eENK-410S motor is slim, vibration-free and designed for bench use\u003c\/li\u003e\n\u003cli\u003eIR310 Ring Style handpiece uses a twist-to-open, twist-to-close quick-change collet system\u003c\/li\u003e\n\u003cli\u003eIncludes both 3\/32\" and 1\/8\" collets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe IR310 handpiece takes 3\/32\" and 1\/8\" shanks with the supplied collets.\u003c\/li\u003e\n\u003cli\u003eThe NE-249 Control Box accepts two micromotors, so a second motor and handpiece can be run from the same box.\u003c\/li\u003e\n\u003cli\u003eAn optional 4:1 reduction gear drops the working range to 250–10,000 RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFoot control and 4:1 reduction gear are sold separately and are not included in this kit.\u003c\/li\u003e\n\u003cli\u003eThis product is not available for sale or shipment outside the United States and Canada.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43583135711446,"sku":"134.594","price":1430.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-micromotor-basic-kit-ring-style-otto-frei.jpg?v=1719956735"},{"product_id":"nsk-re65301-replacement-tip-point-bit-hammer-ha500","title":"NSK RE65301 Replacement Tip (Point-Bit) for Hammer HA500","description":"\u003cp\u003eThe NSK RE65301 is a blank replacement tip (point-bit) designed exclusively for use with the NSK HA500 hammer handpiece. Supplied in blank form, this hammer tip is intended to be machined to your required shape, giving you full control over the final tip profile for engraving, chasing, or setting work. In its blank state, the RE65301 is heat treated to HRC50, providing a strong hardness baseline before any custom shaping is performed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The NSK HA500 uses a proprietary replacement hammer tip. Badeco or Foredom hammer tips are not compatible and can damage the threads of the NSK HA500 hammer handpiece. Always use the genuine NSK RE65301 tip to protect your tool investment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBlank hammer tip designed to be machined to your required shape\u003c\/li\u003e\n\u003cli\u003eHeat treated to HRC50 in blank form for a solid hardness foundation\u003c\/li\u003e\n\u003cli\u003eProprietary design — made exclusively for the NSK HA500 hammer handpiece\u003c\/li\u003e\n\u003cli\u003eProtects the HA500's threads when used as intended\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eRE65301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBlank — requires machining to desired tip shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eHRC50 (as supplied, before machining)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eNSK HA500 hammer handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe RE65301 replacement tip is compatible \u003cstrong\u003eonly\u003c\/strong\u003e with the \u003cstrong\u003eNSK HA500 hammer handpiece\u003c\/strong\u003e. Badeco and Foredom hammer tips are \u003cem\u003enot\u003c\/em\u003e interchangeable with the NSK HA500 and \u003cem\u003ewill\u003c\/em\u003e damage the handpiece threads if used.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43583841173718,"sku":"134.563","price":22.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-re65301-replacement-tip-point-bit-for-hammer-ha500-otto-frei.jpg?v=1719956479"},{"product_id":"nsk-ekc-300-45-degree-angle-attachment-handpiece","title":"Nakanishi NSK EKC-300 45º Angle Attachment Handpiece","description":"\u003cp\u003eWhen a straight handpiece cannot sit square to the work, a 45º angle attachment puts the bur into corners and recessed areas at the bench. The Nakanishi NSK EKC-300 is a 45º angle attachment handpiece designed for precision rotary work in tight and hard-to-reach spaces, so jewelers, metalsmiths, and engravers can keep a comfortable grip while the angled head does the reaching. It is built for use with compatible NSK motor systems, rotates in reverse relative to the motor, and carries a speed reduction ratio of 3\/4 for enhanced control during detailed operations. The standard 1\/8\" collet accepts 1\/8\" shank accessories.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e45º angle attachment head ideal for working in corners and confined areas\u003c\/li\u003e\n\u003cli\u003eReverse rotation relative to the motor for directional versatility\u003c\/li\u003e\n\u003cli\u003eSpeed reduction ratio of 3\/4 for greater control during precision work\u003c\/li\u003e\n\u003cli\u003eStandard 1\/8\" collet size for broad accessory compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eBuilt for use with compatible NSK motor systems. The attachment turns in reverse relative to the motor and reduces output speed at a 3\/4 ratio.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584310837462,"sku":"134.577","price":442.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-ekc-300-45o-angle-attachment-handpiece-otto-frei.jpg?v=1719956277"},{"product_id":"nsk-espert-500-torque-set-es50t-hr-enk-500t-motor-ehr-500-handpiece","title":"Nakanishi NSK ES50T-HR Espert 500 Torque Set With EHR-500 Ring Type Handpiece","description":"\u003cp\u003eA high-torque micromotor set for heavy-duty grinding at the bench, where hard metals and carbide tooling demand more of a motor than a standard rotary system can provide. The \u003cstrong\u003eNSK ES50T-HR Espert 500 Torque Set\u003c\/strong\u003e delivers the highest power in its class, built around the \u003cstrong\u003eENK-500T Torque Type Motor\u003c\/strong\u003e with a maximum output of \u003cstrong\u003e200W\u003c\/strong\u003e. The brushless DC motor provides high power, high torque and high speed with very low vibration, minimal noise and very low maintenance requirements. The integrated NAKANISHI Smart Switch turns the motor on and off right at the motor.\u003c\/p\u003e\u003cp\u003eWith a maximum torque rating of \u003cstrong\u003e8.7 cN·m\u003c\/strong\u003e, the ENK-500T significantly outperforms both the ENK-410S 73W standard motor, rated at 4.3 cN·m, and the ENK-250T 76W Torque Type motor, rated at 4.8 cN·m, used with the Emax EVOlution systems. The added wattage and torque suit the set to heavy-duty grinding on hard metals with carbide tools. The working range runs \u003cstrong\u003e1,000–50,000 RPM\u003c\/strong\u003e and the unit is \u003cstrong\u003e120V\u003c\/strong\u003e with a North American plug.\u003c\/p\u003e\u003cp\u003eThe included \u003cstrong\u003eEHR-500 Ring Type\u003c\/strong\u003e handpiece uses a twist-to-open, twist-to-close attachment mechanism for quick, secure tool changes. Two collets come with the set: a 1\/8\" collet (CHH-3.175) and a 3\/32\" collet (CHH-2.35), so it runs both common shank sizes straight away. The set also ships with the NE96 Espert 500 control box and the ENK-500T torque motor with cords.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHighest power in its class at 200W maximum output\u003c\/li\u003e\n\u003cli\u003eENK-500T brushless DC torque motor for high power, high torque and high speed\u003c\/li\u003e\n\u003cli\u003eMaximum torque of 8.7 cN·m, more than double the ENK-410S standard motor\u003c\/li\u003e\n\u003cli\u003eNAKANISHI Smart Switch for convenient on and off operation at the motor\u003c\/li\u003e\n\u003cli\u003eVery low vibration and noise, with a very low maintenance design\u003c\/li\u003e\n\u003cli\u003eEHR-500 Ring Type handpiece with twist-to-open, twist-to-close collet attachment\u003c\/li\u003e\n\u003cli\u003eSpeed range of 1,000–50,000 RPM\u003c\/li\u003e\n\u003cli\u003eSuited to heavy-duty grinding on hard metals with carbide tooling\u003c\/li\u003e\n\u003cli\u003e120V unit with a North American plug\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe EHR-500 handpiece takes 1\/8\" and 3\/32\" shanks with the two supplied collets.\u003c\/li\u003e\n\u003cli\u003eThe NSK Espert 500 system does not interchange with any parts from the NSK Emax EVOlution system.\u003c\/li\u003e\n\u003cli\u003eOptional NSK FC-40 variable speed and on\/off foot control, part 134.592, is available separately.\u003c\/li\u003e\n\u003cli\u003eOptional NSK ERG-01B reduction gear, part 134.595, is available separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe foot control and reduction gear are sold separately and are not part of this set.\u003c\/li\u003e\n\u003cli\u003eThis product is sold and shipped exclusively to customers in the United States and Canada.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584555712726,"sku":"134.591","price":2244.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-es50t-hr-espert-500-torque-set-with-ehr-500-ring-type-handpiece-otto-frei-1.jpg?v=1719956095"},{"product_id":"nsk-erg-01b-espert-500-quarter-speed-reducer","title":"Nakanishi NSK ERG-01B Espert 500 1\/4 Speed Reducer Reduction Gear Attachment","description":"\u003cp\u003eThe NSK ERG-01B is a precision speed reducer attachment designed exclusively for use with the NSK Espert 500 system. This reduction gear attachment installs between the motor and the handpiece attachment, delivering lower rotational speeds and significantly increased torque for applications that demand greater control and power at reduced RPM.\u003c\/p\u003e\u003cp\u003eThe ERG-01B reduces maximum operating speeds by one-quarter, making it ideal for tasks where high-speed rotation is counterproductive and steady, torque-rich performance is required.\u003c\/p\u003e\u003cem\u003eThis product is available for sale and shipment to customers in the United States and Canada only.\u003c\/em\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInstalls between the Espert 500 motor and handpiece attachment\u003c\/li\u003e\n\u003cli\u003eReduces maximum speed by one-quarter and increases torque output\u003c\/li\u003e\n\u003cli\u003eIntermittent use: maximum speed reduced from 50,000 RPM to 40,000 RPM\u003c\/li\u003e\n\u003cli\u003eContinuous use: maximum speed reduced from 40,000 RPM to 30,000 RPM\u003c\/li\u003e\n\u003cli\u003eCompatible exclusively with the NSK Espert 500 system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eERG-01B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReduction Ratio\u003c\/th\u003e\n\u003ctd\u003e1\/4 speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntermittent Use Max Speed\u003c\/th\u003e\n\u003ctd\u003e40,000 RPM (reduced from 50,000 RPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContinuous Use Max Speed\u003c\/th\u003e\n\u003ctd\u003e30,000 RPM (reduced from 40,000 RPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eNSK Espert 500 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGeographic Restriction\u003c\/th\u003e\n\u003ctd\u003eUnited States and Canada only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis attachment is not compatible with any other NSK system—for use with the NSK Espert 500 exclusively.\u003c\/li\u003e\n\u003cli\u003eNot available for sale or shipment outside the United States and Canada.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584556302550,"sku":"134.595","price":407.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-espert-500-erg-01b-14-speed-reducer-otto-frei.jpg?v=1719956095"},{"product_id":"nsk-fc40-foot-control-espert-500-electer-emax","title":"Nakanishi NSK FC40 Foot Control For NSK Espert 500 \u0026 NSK Electer Emax","description":"\u003cp\u003eThe \u003cstrong\u003eNSK FC40 Foot Control\u003c\/strong\u003e is a professional-grade foot pedal designed for use with NSK rotary and precision systems. It serves a dual function—acting as both an \u003cstrong\u003eON\/OFF switch\u003c\/strong\u003e and a \u003cstrong\u003evariable speed control\u003c\/strong\u003e—allowing hands-free operation and precise speed management during intricate work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFunctions as both an ON\/OFF switch and variable speed control\u003c\/li\u003e\n  \u003cli\u003eHands-free operation for improved workflow and precision\u003c\/li\u003e\n  \u003cli\u003eCompatible with multiple NSK systems including the Espert 500 and Electer Emax\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe FC40 Foot Control is compatible with the following NSK systems:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNSK Espert 500\u003c\/li\u003e\n  \u003cli\u003eNSK Electer Emax\u003c\/li\u003e\n  \u003cli\u003eNSK Ultra-Sonic Cutter\u003c\/li\u003e\n  \u003cli\u003eNSK Sheenus\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584556957910,"sku":"134.592","price":100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-fc40-foot-control-for-nsk-espert-500-and-nsk-electer-emax-otto-frei.jpg?v=1719956091"},{"product_id":"nsk-emax-evolution-enk-250t-torque-micromotor-ih-300-lever-handpiece-fc-64-foot-control-120v","title":"Nakanishi EMax EVOlution Micromotor Torque Motor, Lever HP \u0026 Foot Control Tonya Davidson Special","description":"\u003cp\u003eA torque type micromotor drives larger burs and heavier cuts at the bench with the motor in your hand and the speed under your foot. Assembled at the request of metalsmith and educator Tonya Davidson for herself and her students, this special NSK EMax EVOlution kit pairs the high torque ENK-250T motor with the \u003cstrong\u003elever style IH-300 quick-change handpiece\u003c\/strong\u003e and includes a foot control, so the system is ready to use straight out of the box. The ENK-250T Torque Type motor delivers extra power that eliminates the need for an optional reduction gear, keeping the motor to handpiece length compact without sacrificing performance. NSK micromotors are trusted on the benches of the finest goldsmiths in the world, renowned for outstanding quality and all day reliability.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eThis is the original IH-300 lever style handpiece Tonya Davidson kit.\u003c\/strong\u003e We also offer this same kit with the IR-310 Ring Style handpiece for customers who prefer the twist to open Ring Style handpiece over the push lever to open Lever-Style handpiece. See part number 134.603.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eThe system delivers smooth, precise power either through the foot control or directly from the control box dial, running 1000–25,000 RPM, or 250–6,250 RPM with an optional reduction gear. With the foot control connected, you can choose between foot operated set-point control and variable speed control. The IH-300 lever style handpiece has a side lever that opens the collet for fast, tool free bur changes. This is a 120V unit. It is not available for sale or shipment outside the United States and Canada.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh torque ENK-250T motor, more powerful than standard ENK-410S motors\u003c\/li\u003e\n\u003cli\u003eSpeed range of 1000–25,000 RPM, or 250–6,250 RPM with an optional reduction gear\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eFoot control included, with a choice of set-point or variable speed control\u003c\/li\u003e\n\u003cli\u003eWhen used without the foot control, speed is set by the dial on the control box\u003c\/li\u003e\n\u003cli\u003eIH-300 lever style quick-change handpiece for fast, tool free bur changes\u003c\/li\u003e\n\u003cli\u003eExtra torque eliminates the need for a reduction gear attachment\u003c\/li\u003e\n\u003cli\u003e120V control box, ready to use out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis product is not available for sale or shipment outside the United States and Canada.\u003c\/li\u003e\n\u003cli\u003eThe optional reduction gear is sold separately and is not required when using the ENK-250T Torque Type motor.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584673120470,"sku":"134.602","price":1636.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-8232-emax-evolution-micromotor-torque-type-motor-with-lever-style-handpiece-and-foot-control-otto-frei.jpg?v=1719956031"},{"product_id":"nsk-8004-coiled-power-cord-ncl-351c-electer-standard-motor","title":"NSK 8004 Coiled Power Cord for NCL-351C Electer Standard Motor","description":"\u003cp\u003eThe NSK 8004 Coiled Power Cord is a genuine replacement cord designed specifically for the \u003cstrong\u003eNCL-351C Electer Standard Motor\u003c\/strong\u003e. Identified by its distinctive blue switch, this coiled cord is intended for older production NSK Electer Standard Motors and is \u003cem\u003enot\u003c\/em\u003e compatible with the current NSK Evolution series motors. Keeping a reliable replacement on hand ensures minimal downtime when servicing or maintaining your Electer Standard Motor setup.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine NSK replacement power cord for the NCL-351C Electer Standard Motor\u003c\/li\u003e\n\u003cli\u003eCoiled design for flexible, tangle-resistant use at the bench\u003c\/li\u003e\n\u003cli\u003eBlue switch color for easy identification\u003c\/li\u003e\n\u003cli\u003eDesigned for older production NSK Electer Standard Motors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eNSK 8004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCord Style\u003c\/th\u003e\n\u003ctd\u003eCoiled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCord Length\u003c\/th\u003e\n\u003ctd\u003e4.5 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitch Color\u003c\/th\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Motor\u003c\/th\u003e\n\u003ctd\u003eNSK NCL-351C Electer Standard Motor (older production)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis power cord is intended for \u003cstrong\u003eolder production NSK Electer Standard Motors only\u003c\/strong\u003e. It is \u003cem\u003enot\u003c\/em\u003e compatible with the current NSK Evolution series motors. Please verify your motor model before ordering.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43584881819862,"sku":"134.554","price":146.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-8004-coiled-power-cord-for-ncl-351c-electer-standard-motor-otto-frei.jpg?v=1719955816"},{"product_id":"nsk-emax-evolution-ne-249-control-unit-120v","title":"Nakanishi NSK Emax EVOlution NE-249 Control Unit Only 120V","description":"\u003cp\u003eThe Nakanishi NSK Emax EVOlution NE-249 (Catalog Number EMX8224) is the upgraded successor to the Electer E-max control unit, delivering meaningful improvements in display clarity, motor management, and ergonomics for professional jewelers and metalsmiths who demand precision rotary control at the bench.\u003c\/p\u003e\n\n\u003cp\u003eThe most significant advancement over earlier models is the new digital display, which provides an easy-to-read motor speed readout alongside a load meter that alerts the user when the handpiece is being overloaded — helping to protect both the tool and the workpiece. The unit also introduces the \u003cstrong\u003eMemory Speed Function FIXpeed\u003c\/strong\u003e, which enables independent foot switch operation for the A and B motors: the A Motor foot switch functions as on\/off, while the B Motor foot switch offers variable speed control. A built-in hand grip further refines the ergonomic profile of the unit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Compatibility Notice:\u003c\/strong\u003e The Emax EVOlution uses a different motor cord pin configuration than the Electer E-max. The Electer E-max micromotor and foot control are \u003cem\u003enot\u003c\/em\u003e compatible with this control unit and will not attach to it.\u003c\/p\u003e\n\n\u003cp\u003eThis listing is for the \u003cstrong\u003econtrol unit only\u003c\/strong\u003e. The micromotor, handpiece, and foot control are not included.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpgraded digital display with easy-to-read motor speed readout\u003c\/li\u003e\n\u003cli\u003eLoad meter display indicates when the handpiece is overloaded\u003c\/li\u003e\n\u003cli\u003eMemory Speed Function FIXpeed for independent A and B motor foot switch operation\u003c\/li\u003e\n\u003cli\u003eA Motor foot switch: on\/off operation\u003c\/li\u003e\n\u003cli\u003eB Motor foot switch: variable speed operation\u003c\/li\u003e\n\u003cli\u003eTwo motor plug-ins — Motor A and Motor B\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in hand grip\u003c\/li\u003e\n\u003cli\u003eReplaces the previous Electer E-max model\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog Number\u003c\/th\u003e\n\u003ctd\u003eEMX8224\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eNE-249\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit Dimensions\u003c\/th\u003e\n\u003ctd\u003e5.12\" wide × 10\" deep × 3.82\" high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Connections\u003c\/th\u003e\n\u003ctd\u003eMotor A and Motor B plug-ins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmax EVOlution NE-249 control unit only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe Emax EVOlution NE-249 is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the Electer E-max micromotor or foot control. The motor cord pin configuration has changed between generations, and Electer E-max accessories will not attach to this control unit. Use only Emax EVOlution-compatible micromotors, handpieces, and foot controls.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis product is not available for sale or shipment to customers outside the United States and Canada.\u003c\/em\u003e\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":43586796945622,"sku":"134.559","price":674.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-emax-evolution-ne-249-control-unit-only-120v-otto-frei.jpg?v=1719955782"},{"product_id":"nakanishi-nsk-mini-luster-ml-8-attachment-handpiece-ls51307","title":"Nakanishi NSK Mini-Luster ML-8 Attachment Handpiece LS51307","description":"\u003cp\u003eA reciprocating polishing handpiece for narrow grooves, fine details, and hard-to-reach areas at the bench, operated with a pencil-style grip that keeps the effort low. The Nakanishi NSK Mini-Luster ML-8 Attachment Handpiece (LS51307) is designed for use with the EMax Evolution and ROTUS micromotor systems, running a fixed 0.8mm stroke at a variable 0–9,000 strokes per minute. Unlike a hammer handpiece, this tool produces very little impact force, because its function is precision polishing, not percussion.\u003c\/p\u003e\n\u003cp\u003eYou can use any tool that will fit in the 3.5mm round tool hole. The factory states that the tool hole diameter is 0.13\", which is equivalent to 1\/8\", since many tools are available in 1\/8\". However, the actual tool hold diameter is 3.5mm. Tools are held down with a single 1.5mm hex nut, and a 1.5mm hex key is supplied.\u003c\/p\u003e\n\u003cp\u003eThe included grindstone holder has a 3mm diameter shank and takes flat ceramic files up to 1.2mm thick by 6mm wide, held in place by a single 1.5mm hex screw. Use the handpiece with ceramic polishing sticks, or attach Glardon-Vallorbe miniature files through the grindstone holder for pre-polishing applications. The lightweight, compact body and minimal vibration design reduce hand fatigue during long, continuous work sessions.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReciprocating stroke speed (variable): approximately 0–9,000 strokes\/min\u003c\/li\u003e\n\u003cli\u003eFixed stroke range: 0.8mm\u003c\/li\u003e\n\u003cli\u003eMaximum standard tool shank diameter: 0.13\" (1\/8\")\u003c\/li\u003e\n\u003cli\u003eMaximum tool shank diameter: 3.5mm\u003c\/li\u003e\n\u003cli\u003eTool holding: single 1.5mm hex screw (hex key supplied)\u003c\/li\u003e\n\u003cli\u003ePencil-type grip ideal for polishing narrow grooves and fine details\u003c\/li\u003e\n\u003cli\u003eLightweight and compact with minimal vibration for fatigue-free extended use\u003c\/li\u003e\n\u003cli\u003eGrindstone holder accepts oil stone, super stone, diamond files, and similar tools\u003c\/li\u003e\n\u003cli\u003eTotal handpiece length: 3.62\"\u003c\/li\u003e\n\u003cli\u003eWeight: 5.12 oz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMax Evolution\u003c\/strong\u003e micromotor system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROTUS\u003c\/strong\u003e micromotor system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eNote: This is not a hammer handpiece. Impact strength in the stroke is minimal, and it is intended for polishing use only.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eSupplied with the handpiece: the LS10918 diamond grindstone tool DLA4-x-1-100 (4mm x 1mm, 100 grit diamond file); the 62951 grindstone holder with 3mm diameter shank, which allows for use of flat ceramic files up to 1.2mm thick by 6mm wide held in place by a single 1.5mm hex screw; the 60737 200 grit ceramic file, 1mm thick x 6mm width x 50mm long; an NSK ceramic fiber grindstone flat x 2, #1 200 (0.04\" x 0.24\" x 1.97\"); and a 1.5mm allen wrench.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":44549586976982,"sku":"134.574","price":802.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-mini-luster-ml-8-attachment-handpiece-ls51307-otto-frei.jpg?v=1708017375"},{"product_id":"nakanishi-nsk-swing-luster-sls-16-attachment-handpiece-ls11380","title":"Nakanishi NSK Swing-Luster SLS-16 Attachment Handpiece LS11380","description":"\u003cp\u003eThe \u003cstrong\u003eNakanishi NSK Swing-Luster SLS-16 Attachment Handpiece (LS11380)\u003c\/strong\u003e is a precision reciprocating polishing handpiece designed for use with the \u003cstrong\u003eEmax EVOlution\u003c\/strong\u003e and \u003cstrong\u003eROTUS\u003c\/strong\u003e micromotor systems. Its swinging head and adjustable stroke make it ideal for reaching narrow grooves, fine details, and hard-to-access areas that standard rotary tools cannot efficiently address. The pencil-type grip provides exceptional control during delicate polishing work, while the lightweight, compact construction minimizes hand fatigue during extended use.\u003c\/p\u003e\u003cp\u003eCompatible with ceramic polishing sticks in a variety of grits as well as Glardon-Vallorbe miniature files for pre-polishing applications, this handpiece offers versatility across finishing and detailing tasks. The grindstone holder included with the unit expands tool compatibility further, accommodating oil stones, super stones, diamond files, and more.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: This is not a hammer handpiece — the stroke delivers reciprocating motion for polishing, not impact force.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAdjustable reciprocating stroke from 0–1.6 mm for precise control over material removal\u003c\/li\u003e\n\u003cli\u003eReciprocating speed up to 9,000 strokes per minute\u003c\/li\u003e\n\u003cli\u003eSwinging head design enables access to narrow grooves, recesses, and intricate details\u003c\/li\u003e\n\u003cli\u003ePencil-type grip for superior tactile control and maneuverability\u003c\/li\u003e\n\u003cli\u003eScrew clamp tool shaft mounting accepts 0.20\" diameter shanks\u003c\/li\u003e\n\u003cli\u003eLightweight, compact body with minimal vibration reduces operator fatigue during prolonged use\u003c\/li\u003e\n\u003cli\u003eGrindstone holder enables use of oil stones, super stones, diamond files, and similar tools\u003c\/li\u003e\n\u003cli\u003eCompatible with ceramic polishing sticks (various grits) and Glardon-Vallorbe miniature files\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eLS11380\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStroke Range\u003c\/th\u003e\n\u003ctd\u003e0–1.6 mm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReciprocating Speed\u003c\/th\u003e\n\u003ctd\u003e0–9,000 strokes\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eSwing head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTool Shaft Diameter\u003c\/th\u003e\n\u003ctd\u003e0.20\" (screw clamp type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eEmax EVOlution, ROTUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS10918\u003c\/strong\u003e – Diamond Grindstone Tool DLA4-x-1-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e62951\u003c\/strong\u003e – Grindstone Holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60737\u003c\/strong\u003e – Ceramic Fiber Grindstone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEmax EVOlution micromotor system\u003c\/li\u003e\n\u003cli\u003eROTUS micromotor system\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":44549587009750,"sku":"134.575","price":814.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-swing-luster-sls-16-attachment-handpiece-ls11380-otto-frei.jpg?v=1708017375"},{"product_id":"nsk-8090-replacement-coiled-cord-switch-enk-410s-motors","title":"Nakanishi NSK 8090 Replacement Coiled Cord \u0026 Switch Only for NSK ENK-410S Motors","description":"\u003cp\u003eThe \u003cstrong\u003eNSK 8090\u003c\/strong\u003e is a replacement coiled cord and switch assembly designed specifically for use with \u003cstrong\u003eNSK ENK-410S motors\u003c\/strong\u003e. When the cord or switch on your ENK-410S handpiece motor becomes worn or damaged, this genuine replacement component allows you to restore full functionality without replacing the entire motor unit. Keeping a replacement on hand minimizes bench downtime and helps maintain consistent performance in a professional studio or shop environment.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine NSK replacement coiled cord and switch assembly\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct replacement for NSK ENK-410S motors\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged cord and switch components\u003c\/li\u003e\n\u003cli\u003eHelps extend the service life of your existing ENK-410S motor unit\u003c\/li\u003e\n\u003cli\u003eSupports uninterrupted workflow by reducing motor downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis replacement coiled cord and switch assembly is compatible exclusively with \u003cstrong\u003eNSK ENK-410S motors\u003c\/strong\u003e. Confirm your motor model before ordering to ensure proper fit.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis listing includes the \u003cstrong\u003ecoiled cord and switch only\u003c\/strong\u003e. No additional components are included. Installation should be performed by a qualified technician familiar with NSK motor systems.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":45565713580246,"sku":"134.587","price":309.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/134.587NEW_thumb_0f8bc2a5-e88f-4f03-81c9-ea8a70b74f8c.jpg?v=1732923213"},{"product_id":"nsk-8091-replacement-coiled-cord-switch-en-250c-torque-motor","title":"Nakanishi NSK 8091 Replacement Coiled Cord \u0026 Switch Only for NSK EN-250C Torque Motors","description":"\u003cp\u003eThe \u003cstrong\u003eNSK 8091\u003c\/strong\u003e is a genuine replacement coiled cord and switch assembly designed specifically for NSK EN-250C torque motors. When the cord or switch on your EN-250C becomes worn or damaged, this OEM-matched replacement restores full functionality without requiring a complete motor replacement. Keeping a spare on hand minimizes bench downtime and extends the working life of your EN-250C torque motor system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine NSK replacement part for the EN-250C torque motor\u003c\/li\u003e\n\u003cli\u003eIncludes both the coiled cord and switch assembly as a combined unit\u003c\/li\u003e\n\u003cli\u003eDesigned for direct compatibility with the NSK EN-250C torque motor\u003c\/li\u003e\n\u003cli\u003eRestores original cord and switch function to your existing motor\u003c\/li\u003e\n\u003cli\u003eHelps extend the service life of your EN-250C system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eNSK 8091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Motor\u003c\/th\u003e\n\u003ctd\u003eNSK EN-250C Torque Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eReplacement Coiled Cord \u0026amp; Switch Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant Count\u003c\/th\u003e\n\u003ctd\u003eSingle configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis replacement assembly is intended exclusively for the \u003cstrong\u003eNSK EN-250C torque motor\u003c\/strong\u003e. Verify your motor model before ordering to ensure proper fit. Contact OttoFrei.com for pricing, as this item requires a login for current pricing details.\u003c\/p\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":45565714170070,"sku":"134.589","price":309.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nakanishi-nsk-8091-replacement-coiled-cord-and-switch-only-for-nsk-en-250c-torque-motors-otto-frei.jpg?v=1719954029"},{"product_id":"emax-evolution-micromotor-torque-kit-twist-handpiece-fc64","title":"Nakanishi EMax EVOlution Micromotor Torque Motor, Twist HP \u0026 Foot Control","description":"\u003cp\u003eA complete benchtop micromotor system for jewelers who want high torque right at the handpiece without adding a reduction gear. Based on the NSK kit that educator Tonya Davidson uses for herself and recommends for her students, this special NSK EMax EVOlution kit pairs the high-torque ENK-250T motor with the \u003cstrong\u003eIR-310 twist to open quick-change handpiece\u003c\/strong\u003e and a foot control. \u003cem\u003eTonya uses the IH-300 lever style handpiece in her kit but we offer this kit for those who prefer the twist to open IR-310 handpiece. See 134.602 for the lever style kit.\u003c\/em\u003e The ENK-250T Torque Type motor delivers extra power that eliminates the need for an optional reduction gear, keeping the motor-to-handpiece length compact without sacrificing performance. NSK micromotors are trusted on the benches of the finest goldsmiths in the world, renowned for outstanding quality and all-day reliability.\u003c\/p\u003e\n\u003cp\u003eThe system delivers smooth, precise power either through the foot control or directly from the control box dial. With the foot control connected, you can choose between foot-operated set-point control or variable speed control. The IR-310 twist to open, twist-to-close mechanism allows for fast collet access without the need for wrenches or additional tools, keeping workflow smooth at the bench. This is a 120V unit. Not available for sale or shipment outside the United States and Canada.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-torque ENK-250T motor, more powerful than standard ENK-410S motors\u003c\/li\u003e\n\u003cli\u003eSpeed range of 1000–25,000 RPM, or 250–6,250 RPM with the optional reduction gear\u003c\/li\u003e\n\u003cli\u003eForward and reverse operation\u003c\/li\u003e\n\u003cli\u003eFoot control included, with a choice of set-point control or variable speed control\u003c\/li\u003e\n\u003cli\u003eSpeed set from the dial on the control box when the foot control is not connected\u003c\/li\u003e\n\u003cli\u003eIR-310 twist to open, twist-to-close mechanism for tool-free collet access and bur changes\u003c\/li\u003e\n\u003cli\u003eExtra torque eliminates the need for a reduction gear attachment\u003c\/li\u003e\n\u003cli\u003e120V NE-249 control box, ready to use out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe IR-310 handpiece ships with 3\/32\" and 1\/8\" collets, so it takes burs and accessories with 3\/32\" and 1\/8\" shanks\u003c\/li\u003e\n\u003cli\u003eOptional reduction gear sold separately for 250–6,250 RPM operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is not available for sale or shipment outside the United States and Canada.\u003c\/li\u003e\n\u003cli\u003eThe optional reduction gear is sold separately and is not required when using the ENK-250T Torque Type motor.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":48154616529110,"sku":"134.603","price":1636.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/134.603_thumb_90ad1c2d-4986-4fd4-b9ae-408d5316a6a2.jpg?v=1777058267"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/nsk-otto-frei_20c349d8-de43-457c-8f9d-3a3e497d078f.png?v=1726692609","url":"https:\/\/www.ottofrei.com\/ja\/collections\/nsk-micromotors-handpieces.oembed","provider":"Otto Frei","version":"1.0","type":"link"}