{"product_id":"foredom-s-93-77-shaft-39in-sheath-combo-key-tip","title":"Foredom S-93\/77 Shaft 39\" \u0026 Sheath Combo","description":"\u003cp\u003eThe \u003cstrong\u003eForedom S-93\/77 Shaft \u0026amp; Sheath Combo\u003c\/strong\u003e pairs the \u003cstrong\u003eS-93 inner shaft (39\")\u003c\/strong\u003e with the \u003cstrong\u003eS-77 outer sheath (36-1\/4\")\u003c\/strong\u003e in a single, factory pre-lubricated assembly ready for immediate installation. Sometimes referred to as a \u003cem\u003ekey-tip motor shaft and sheath\u003c\/em\u003e, this is the standard-length assembly supplied with many new Foredom systems and is a direct replacement for worn or broken shaft and sheath sets on compatible motors.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory pre-lubricated assembly for quick, straightforward installation\u003c\/li\u003e\n  \u003cli\u003eStandard length: 39\" inner shaft paired with 36-1\/4\" outer sheath\u003c\/li\u003e\n  \u003cli\u003eCompatible with Foredom SR, SRM, SRB, TX, TXM, TXB, LX, LXM, LXB, and PGX motors\u003c\/li\u003e\n  \u003cli\u003eKey-tip motor interface for secure engagement with compatible motors\u003c\/li\u003e\n  \u003cli\u003eSupports smooth, efficient power transmission for polishing, grinding, setting, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eInner Shaft\u003c\/th\u003e\n\u003ctd\u003eS-93, 39\" (991 mm), key-tip\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOuter Sheath\u003c\/th\u003e\n\u003ctd\u003eS-77, 36-1\/4\" (921 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAssembly Type\u003c\/th\u003e\n\u003ctd\u003ePre-lubricated shaft \u0026amp; sheath set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMotor Interface\u003c\/th\u003e\n\u003ctd\u003eKey tip\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatible Motors\u003c\/th\u003e\n\u003ctd\u003eForedom SR, SRM, SRB, TX, TXM, TXB, LX, LXM, LXB, PGX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnplug the motor\u003c\/strong\u003e before beginning any maintenance or installation.\u003c\/li\u003e\n  \u003cli\u003eRemove the old shaft and sheath; inspect the sheath interior for wear or scoring.\u003c\/li\u003e\n  \u003cli\u003eAttach the S-77 sheath to the motor, then insert the S-93 shaft fully until engaged.\u003c\/li\u003e\n  \u003cli\u003eReconnect the handpiece and run briefly at low speed to confirm smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNever operate\u003c\/strong\u003e a Foredom motor without the outer sheath properly attached.\u003c\/li\u003e\n  \u003cli\u003eIf a shaft breaks inside the sheath, the sheath interior may be damaged — replace the sheath along with the shaft to prevent premature wear.\u003c\/li\u003e\n  \u003cli\u003eRe-lubricate per Foredom's recommended maintenance interval or whenever operation feels dry or rough.\u003c\/li\u003e\n  \u003cli\u003eLonger shaft and sheath combos for extended reach are available separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Foredom","offers":[{"title":"Default Title","offer_id":43584879821014,"sku":"134.363","price":41.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/foredom-s-9377-shaft-39-and-sheath-combo-otto-frei.jpg?v=1719955824","url":"https:\/\/www.ottofrei.com\/products\/foredom-s-93-77-shaft-39in-sheath-combo-key-tip","provider":"Otto Frei","version":"1.0","type":"link"}