{"product_id":"er20-a-m25-collet-nut-with-dynamic-balance-holes-i","title":"ER20 A M25 Collet Nut With Dynamic Balance Holes In 40Cr Alloy Steel For CNC Machine Chuck Lathe And Milling Tools Holder Beefy Heavy Duty Durable Black And Bright Silver Finish","description":"\u003cdiv\u003eER20 A(M25) Collet Nut with Balanced Holes for CNC\u003cbr\u003e\n✔️ M25 thread, 34mm nut OD, 21mm thick, 40Cr steel, HRC48-50  \u003cp\u003eThis ER20 collet nut is a high-strength, heat-treated fastener designed to secure cutting tools in ER-style tool holders on CNC lathes and milling machines. Made from 40Cr alloy steel with a hardness rating of HRC48-50, it provides reliable clamping under demanding machining conditions. Pack size: 1 piece.\u003c\/p\u003e \u003cp\u003e✅ Thread Diameter: 25 mm \/ 0.98\" \u003cbr\u003e✅ Nut Outer Diameter: 34 mm \/ 1.34\" \u003cbr\u003e✅ Thick: 21 mm \/ 0.83\" \u003cbr\u003e✅ Hex Width: 30 mm \/ 1.18\" \u003cbr\u003e✅ Material: 40Cr alloy steel, Hardness HRC48-50 \u003cbr\u003e✅ Finish: Black and Bright Silver \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is an ER20 collet nut used for in CNC lathes and milling machines?\nThis handy part locks cutting tools in ER collet systems for precise machining.\n- Handy for securing tools in ER collet holders\n- Reduces runout and improves stability during high-speed milling\n- Made from 40Cr alloy steel with heat treatment for durability\n- Compatible with ER-style tool holders and extensions\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077532987627,"sku":"VXB0FHGX6TTW","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71ssUGhwa6L.jpg?v=1775867472","url":"https:\/\/vxb.com\/products\/er20-a-m25-collet-nut-with-dynamic-balance-holes-i","provider":"VXB Bearings","version":"1.0","type":"link"}