{"product_id":"r8-er32-collet-chuck-holder-for-precision-cnc-mach","title":"R8 ER32 Collet Chuck Holder For Precision CNC Machining, Pro-Grade Heavy-Duty 42CrMo Alloy Steel, Heat-Treated To HRC 48-52, Ultra Low Runout TIR 0.0002 Inch, Superior Wear Resistance, Stable, Long-Lasting Tool Holder","description":"\u003cdiv\u003eR8 ER32 Collet Chuck Holder for Precision CNC Milling\u003cbr\u003e\n✔️ Single Pack: heavy-duty 42CrMo steel, HRC 48-52, 0.0002 in TIR \u003cp\u003eR8 ER32 collet chuck holder is a heavy-duty tool holder designed for milling machines, ideal for precision milling, drilling, and cutting tasks in workshops and production floors. It uses high-density 42CrMo alloy steel and is heat-treated to HRC 48-52, delivering strong wear resistance and stable performance.\u003c\/p\u003e \u003cp\u003e✅ Material: 42CrMo alloy steel with hardening to HRC 48-52 \u003cbr\u003e\n✅ Ultra-low TIR: runout within 0.0002 in to reduce tool vibration \u003cbr\u003e\n✅ Clamping range: ER32 2mm-20mm (0.08\"-0.787\") \u003cbr\u003e\n✅ Connection: R8 taper shank with 7\/16\"-20 UNC drawbar thread \u003cbr\u003e\n✅ Max speed: up to 8000 RPM for milling and drilling tasks \u003cbr\u003e \u003c\/p\u003e \u003cp\u003e💡 What is a R8 ER32 collet chuck holder used for in CNC milling, and how does it help performance?\nThis tool holder provides precise tool holding and reduces vibration during high-speed milling.\n- low runout and stable clamping for ER32 tools \u003cbr\u003e\n- R8 taper shank with 7\/16-20 UNC drawbar for easy mounting \u003cbr\u003e\n- supports up to 8000 RPM for high-speed milling \u003cbr\u003e\n- helps achieve better surface finish by reducing tool vibration \u003cbr\u003e\n\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49073684414699,"sku":"VXB0GXY12CD3","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51p1jeHr4qL.jpg?v=1784422498","url":"https:\/\/vxb.com\/products\/r8-er32-collet-chuck-holder-for-precision-cnc-mach","provider":"VXB Bearings","version":"1.0","type":"link"}