{"product_id":"r8-face-mill-holder-with-1-14-inch-arbor-716-20unf","title":"R8 Face Mill Holder With 1-1\/4 Inch Arbor 7\/16-20UNF Drawbar Thread Shell Mill Arbor Supports 4 To 5 Inch End Mills For Bridgeport Machines, Precision Ground Contact Surface, Runout Under 0.0004 Inch For Tight Tolerances","description":"\u003cdiv\u003eR8 Face Mill Holder, single unit, 1-1\/2 Arbor\u003cbr\u003e\n✔️ Arbor: 1-1\/2 in, Shank: R8, Drawbar 7\/16-20UNF, Shell 4-5 in, Pack 1 \u003cp\u003eThis precision-ground face mill holder is designed to mount shell end mills on Bridgeport-style milling machines and other CNC setups. It delivers tight runout and solid clamping for 4-5 inch end mills, ensuring accurate milling performance.\u003c\/p\u003e \u003cp\u003e✅ Arbor and shank combo: 1-1\/2 in arbor, R8 shank, 7\/16-20UNF drawbar\u003cbr\u003e✅ Runout tolerance: bottom contact surface ground for durability and accuracy (0.0004 in)\u003cbr\u003e✅ Material and heat treatment: drop-forged alloy, 56-58 HRc\u003cbr\u003e✅ Finishing and clamping: milled assembly with double-sided clamping key to resist shake\u003cbr\u003e✅ Range and fit: supports 4-5 in shell mills for Bridgeport-type machines\u003c\/p\u003e \u003cp\u003e💡 What is a face mill holder with an R8 shank used for in milling setups?\u003c\/p\u003e\n\u003cp\u003eIt’s a handy way to mount large shell mills on standard machines.\u003c\/p\u003e\n- A precise, repeatable interface between spindle and end mill\n- Quick tool changes for 4-5 inch shells in busy shops\n- Improved rigidity and reduced runout for tight tolerances\n- Durable alloy construction with precision-ground mating surfaces\n\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404883652927,"sku":"VXB0B212FQJY","price":148.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/r8-face-mill-holder-1-1-4-arbor.jpg?v=1776658609","url":"https:\/\/bearingscanada.com\/products\/r8-face-mill-holder-with-1-14-inch-arbor-716-20unf","provider":"Bearings Canada","version":"1.0","type":"link"}