{"product_id":"supra-mk-3-4-medium-natural-bristle-brushes-unmounted-1-8-hole-pack-12","title":"Pack-12 Supra MK 3\/4\" Medium Natural Bristle Brushes-Unmounted With 1\/8\" Hole","description":"\u003cp\u003e\u003cstrong\u003eSupra MK 3\/4\" Medium Natural Bristle Brushes\u003c\/strong\u003e are premium unmounted miniature brushes built for precision polishing and finishing work. Manufactured in the USA, these brushes feature solid steel ring construction for exceptional durability. Brush filaments are permanently anchored in the solid steel ring and uniformly distributed to ensure even wear throughout the life of the brush.\u003c\/p\u003e\u003cp\u003eThe natural animal hair bristles deliver controlled cutting action on flat, curved, small, and hard-to-reach surfaces. Available in Soft, Medium, and Stiff grades, these brushes represent the premium tier of natural bristle options on the market. Sold in packs of 12.\u003c\/p\u003e\u003cp\u003eThese brushes feature a \u003cstrong\u003e1\/8\" diameter center hole\u003c\/strong\u003e designed for use with hub adapters or screw mandrels with the correct 1\/8\" diameter screws. \u003cem\u003eNote: Using 3\/32\" diameter screw mandrels with this 1\/8\" hole results in a sloppy, imprecise fit.\u003c\/em\u003e If you require a tighter fit with 3\/32\" mandrels, Otto Frei also carries Supra natural bristle brushes with 3\/32\" diameter holes.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCompatible hub adapters: 147.257 or 147.259. Compatible screw mandrels: 143.160 or 143.162.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium natural animal hair bristles for controlled, even polishing action\u003c\/li\u003e\n\u003cli\u003eSolid steel ring construction for long-lasting durability\u003c\/li\u003e\n\u003cli\u003eFilaments permanently anchored and uniformly distributed for consistent wear\u003c\/li\u003e\n\u003cli\u003eEffective on flat, curved, small, and hard-to-reach surfaces\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e1\/8\" center hole for use with compatible hub adapters and screw mandrels\u003c\/li\u003e\n\u003cli\u003eSold by the dozen (pack of 12)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrush Diameter\u003c\/th\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBristle Grade\u003c\/th\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBristle Material\u003c\/th\u003e\n\u003ctd\u003eNatural animal hair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Hole Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Construction\u003c\/th\u003e\n\u003ctd\u003eSolid steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Operating Speed\u003c\/th\u003e\n\u003ctd\u003e25,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount Type\u003c\/th\u003e\n\u003ctd\u003eUnmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 brushes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupra does not manufacture extra soft bristle brushes. Extra soft bristle brushes are made in China.\u003c\/li\u003e\n\u003cli\u003eUsing this 1\/8\" hole size with thinner 3\/32\" diameter screw mandrels will result in a sloppy, unstable fit. Use the correct 1\/8\" mandrels or hub adapters for best results.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supra","offers":[{"title":"Default Title","offer_id":43584376602838,"sku":"116.663","price":15.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pack-12-supra-mk-34-medium-natural-bristle-brushes-unmounted-with-18-hole-otto-frei.jpg?v=1719956242","url":"https:\/\/www.ottofrei.com\/products\/supra-mk-3-4-medium-natural-bristle-brushes-unmounted-1-8-hole-pack-12","provider":"Otto Frei","version":"1.0","type":"link"}