{"product_id":"3m-radial-bristle-discs-9-16-flex-shaft","title":"3M 9\/16\" Radial Bristle Discs","description":"\u003cp\u003e3M Radial Bristle Discs in 9\/16\" diameter are designed for polishing and finishing with a flex shaft. Stack individual discs onto a pin hole mandrel — one disc or as many as you can fit — with four to six discs making an effective brush. No polishing compound is needed: the compound is built directly into the bristles, delivering a consistent, controlled finish without recharging.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSold in packs of 12\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBeware of low cost imitations-insist on genuine 3M Radial Bristle Discs\u003c\/p\u003e\n\u003cp\u003eThese discs are long lasting and flexible, performing like natural bristle brushes while running cool to help prevent heat buildup and protect delicate work. The uniform finish they produce makes them a reliable choice for jewelers and metalsmiths working on polishing and finishing tasks. Sold in packs of 12.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e9\/16\" diameter radial bristle discs for use with a flex shaft\u003c\/li\u003e\n\u003cli\u003eStack on a pin hole mandrel — four to six discs recommended for optimal brush performance\u003c\/li\u003e\n\u003cli\u003ePolishing compound is built in — no additional compound required\u003c\/li\u003e\n\u003cli\u003eCool running to minimize heat buildup and reduce risk of damage\u003c\/li\u003e\n\u003cli\u003eFlexible bristle construction delivers a uniform, easy-to-control finish\u003c\/li\u003e\n\u003cli\u003eLong lasting with no need for recharging\u003c\/li\u003e\n\u003cli\u003eAvailable in six grit options to suit a range of polishing and finishing stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 discs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Use\u003c\/th\u003e\n\u003ctd\u003ePolishing and finishing with a flex shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMandrel Type\u003c\/th\u003e\n\u003ctd\u003ePin hole mandrel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eGrit \/ Grade\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.591\u003c\/td\u003e\n\u003ctd\u003e120 Grit White (Titanium Dioxide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.592\u003c\/td\u003e\n\u003ctd\u003e220 Grit Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.593\u003c\/td\u003e\n\u003ctd\u003e400 Grit Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.594\u003c\/td\u003e\n\u003ctd\u003ePumice Pink (Silica)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.595\u003c\/td\u003e\n\u003ctd\u003e6 Micron Peach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e116.596\u003c\/td\u003e\n\u003ctd\u003e1 Micron Light Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eAlso available in larger 3\/4\" and 1\" diameters for flex shaft use, as well as 2\" and 3\" diameter discs for use on a polishing lathe. Part # 116.594 (Pumice Pink) contains Silica — see Prop 65 warnings.\u003c\/p\u003e","brand":"3M","offers":[{"title":"120 Grit White","offer_id":43705333645526,"sku":"116.591","price":19.85,"currency_code":"USD","in_stock":true},{"title":"220 Grit Red","offer_id":47563018010838,"sku":"116.592","price":19.85,"currency_code":"USD","in_stock":true},{"title":"400 Grit Blue","offer_id":47562678042838,"sku":"116.593","price":19.85,"currency_code":"USD","in_stock":true},{"title":"Pumice Pink","offer_id":47562352689366,"sku":"116.594","price":19.85,"currency_code":"USD","in_stock":true},{"title":"6 Micron Peach","offer_id":47561565864150,"sku":"116.595","price":19.85,"currency_code":"USD","in_stock":true},{"title":"1 Micron Light Green","offer_id":47557467504854,"sku":"116.596","price":19.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/3m-916-radial-bristle-discs-otto-frei.jpg?v=1719955139","url":"https:\/\/www.ottofrei.com\/products\/3m-radial-bristle-discs-9-16-flex-shaft","provider":"Otto Frei","version":"1.0","type":"link"}