{"product_id":"nsk-t815001-ultra-850-rotary-handpiece-grs-compatible","title":"NSK GRS Compatible Ultra 850 Rotary Handpiece","description":"\u003cp\u003eThe \u003cstrong\u003eNSK T815001 Ultra 850 Rotary Handpiece\u003c\/strong\u003e is an air-powered, high-speed rotary handpiece made by NSK of Japan to exacting manufacturing standards. Widely used as a compatible accessory with most Glendo GRS Air Systems, it delivers rotational speeds of up to \u003cstrong\u003e320,000 RPM\u003c\/strong\u003e for precise, efficient cutting in engraving and stonesetting applications.\u003c\/p\u003e\u003cp\u003eThe Ultra 850 features a \u003cstrong\u003epermanent lubrication design\u003c\/strong\u003e engineered for long service life with minimal maintenance. Its flexible tubing reduces operator hand fatigue during extended continuous use. A built-in \u003cstrong\u003eChip Air Mechanism\u003c\/strong\u003e continuously blows away cutting powder to improve cutting efficiency and reduces heat generated during cutting, further extending the service life of the bur.\u003c\/p\u003e\u003cp\u003eThis handpiece connects directly to the GraverMax, GraverMate, GraverMach AT, and GraverMax G8, as well as any regulated air supply. Due to its extremely high operating speed, the Ultra 850 accepts \u003cstrong\u003eonly 1\/16\" diameter (0.062\" \/ 1.6 mm) bur shanks\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAir-powered rotary handpiece operating at up to 320,000 RPM\u003c\/li\u003e\n\u003cli\u003ePermanent lubrication for long service life and reduced maintenance\u003c\/li\u003e\n\u003cli\u003eFlexible tubing reduces hand fatigue during prolonged use\u003c\/li\u003e\n\u003cli\u003eChip Air Mechanism clears cutting powder for improved cutting efficiency\u003c\/li\u003e\n\u003cli\u003eHeat reduction from Chip Air extends bur service life\u003c\/li\u003e\n\u003cli\u003eCompatible with most Glendo GRS Air Systems\u003c\/li\u003e\n\u003cli\u003eConnects directly to GraverMax, GraverMate, GraverMach AT, GraverMax G8, or any regulated air supply\u003c\/li\u003e\n\u003cli\u003eAccepts only 1\/16\" (0.062\" \/ 1.6 mm) shank diameter burs\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 T815001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Speed\u003c\/th\u003e\n\u003ctd\u003e320,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Requirement\u003c\/th\u003e\n\u003ctd\u003e1.3 cfm at 30–35 psi (38 liters per minute at 2–2.5 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBur Shank Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/16\" (0.062\" \/ 1.6 mm) only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eAir powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eGraverMax, GraverMate, GraverMach AT, GraverMax G8, or any regulated air supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDue to extremely high operating speed, only 1\/16\" diameter bur shanks are compatible—larger shanks must not be used.\u003c\/li\u003e\n\u003cli\u003eA regulated air supply meeting the stated cfm and psi requirements is necessary for proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43580964372694,"sku":"104.850","price":546.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-grs-compatible-ultra-850-rotary-handpiece-otto-frei.jpg?v=1719957866","url":"https:\/\/www.ottofrei.com\/products\/nsk-t815001-ultra-850-rotary-handpiece-grs-compatible","provider":"Otto Frei","version":"1.0","type":"link"}