{"product_id":"3m-radial-bristle-disc-master-kit-all-sizes","title":"3M Radial Bristle Disc Master Kit","description":"\u003cp\u003eThe 3M Radial Bristle Disc Master Kit gives professional jewelers and metalsmiths a complete range of miniature radial bristle disc wheels in all three sizes — 1\", 3\/4\", and 9\/16\" — along with mandrels, in a single comprehensive set. These long-lasting discs work like natural bristle brushes but require no added polishing compound; the abrasive is built directly into the bristles. Simply stack individual discs onto the included pin hole mandrels — four to six discs make an effective brush — and you are ready to work. The flexible bristle construction runs cool, helping prevent heat damage, while delivering a uniform, easy-to-control finish across all stages from aggressive stock removal through final high polish.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in abrasive compound — no separate polishing compound needed\u003c\/li\u003e\n\u003cli\u003eStack multiple discs on a single mandrel to build desired brush width\u003c\/li\u003e\n\u003cli\u003eCool-running design helps prevent heat buildup and workpiece damage\u003c\/li\u003e\n\u003cli\u003eLong-lasting bristles deliver a consistent, uniform finish\u003c\/li\u003e\n\u003cli\u003eCovers the full finishing sequence from coarse stock removal to final polish\u003c\/li\u003e\n\u003cli\u003eIncludes mandrels for both 9\/16\" \u0026amp; 3\/4\" discs and 1\" discs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGrit \u0026amp; Grade Sequence Guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGrit \/ Grade\u003c\/th\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e36 Grit\u003c\/td\u003e\n\u003ctd\u003eBrown\u003c\/td\u003e\n\u003ctd\u003eMost aggressive — coarsest (1\" only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 Grit\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003eAggressive (1\" only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80 Grit\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003eRapid scratch removal — coarsest of 9\/16\" \u0026amp; 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e120 Grit\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003eLight scratch removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e220 Grit\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003eVery light scratch removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400 Grit\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003ePre-polishing step one\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePumice\u003c\/td\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003ctd\u003ePre-polishing step two\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 Micron\u003c\/td\u003e\n\u003ctd\u003ePeach\u003c\/td\u003e\n\u003ctd\u003eFinal polishing step one\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 Micron\u003c\/td\u003e\n\u003ctd\u003eLight Green\u003c\/td\u003e\n\u003ctd\u003eFinal polishing step two — finest\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\u003e6 × \u003cstrong\u003e116.591\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, 120 Grit, White\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.592\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, 220 Grit, Red\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.593\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, 400 Grit, Blue\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.594\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, Pumice, Pink\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.595\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, 6 Micron, Peach\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.596\u003c\/strong\u003e — 9\/16\" Radial Bristle Disc, 1 Micron, Light Green\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.581\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 80 Grit, Yellow\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.581.5\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 120 Grit, White\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.582\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 220 Grit, Red\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.583\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 400 Grit, Blue\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.584\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, Pumice, Pink\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.585\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 6 Micron, Peach\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.586\u003c\/strong\u003e — 3\/4\" Radial Bristle Disc, 1 Micron, Light Green\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.571\u003c\/strong\u003e — 1\" Radial Bristle Disc, 36 Grit, Brown\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.572\u003c\/strong\u003e — 1\" Radial Bristle Disc, 50 Grit, Green\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.573\u003c\/strong\u003e — 1\" Radial Bristle Disc, 80 Grit, Yellow\u003c\/li\u003e\n\u003cli\u003e6 × \u003cstrong\u003e116.574\u003c\/strong\u003e — 1\" Radial Bristle Disc, 120 Grit, White\u003c\/li\u003e\n\u003cli\u003e2 × \u003cstrong\u003e143.128\u003c\/strong\u003e — 3\/32\" Mandrel\u003c\/li\u003e\n\u003cli\u003e2 × \u003cstrong\u003e143.158\u003c\/strong\u003e — 1\/8\" Mandrel (for 1\" diameter discs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":43582555422934,"sku":"116.599","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/3m-radial-bristle-disc-master-kit-otto-frei.jpg?v=1719956987","url":"https:\/\/www.ottofrei.com\/products\/3m-radial-bristle-disc-master-kit-all-sizes","provider":"Otto Frei","version":"1.0","type":"link"}