{"product_id":"high-precision-er20-collet-chuck-set-for-4mm-bits","title":"High Precision ER20 Collet Chuck Set For 4mm Bits Ideal For Pro Engraving And Machining Tools Made From Tough 65Mn Steel Heat Treated For Durability With Tight 0.008 Accuracy You Cant Beat This Quality","description":"\u003cdiv\u003ePrecision ER20 Collet Chuck Works With 4mm Bits In Machining\u003cbr\u003e\n✔️ 65Mn Steel Hardened 0.008mm Acc 1pc Pack For Better Control \u003cp\u003eThis rugged tool holder secures 4mm shank bits tight during engraving or milling work built from heavy duty hardened steel for daily shop use\u003c\/p\u003e ✅ Holds 0.008mm runout tolerance for fine detail engraving projects\n✅ Durable 65Mn alloy construction withstands hard grinding wear\n✅ Fits ER20 collets and machines common with 20mm taper spindles\n✅ Includes single precision chuck unit with heat treated finish\u003cbr\u003e \u003cp\u003e💡 What is an ER collet chuck used for?\u003cbr\u003eThese units clamp tools for CNC spindle operation.\u003cbr\u003e- Secures drill bits and router shanks inside machine heads\u003cbr\u003e- Maintains alignment during cutting operations for smooth finishes\u003cbr\u003e- Reduces vibration to improve surface quality on parts\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49191583449323,"sku":"VXB0HCZ8157M","price":77.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51-rlG5doqL.jpg?v=1786382948","url":"https:\/\/vxb.com\/products\/high-precision-er20-collet-chuck-set-for-4mm-bits","provider":"VXB Bearings","version":"1.0","type":"link"}