{"product_id":"m4-straight-shank-counterbore-end-mill-4-flute-hss","title":"M4 Straight Shank Counterbore End Mill 4 Flute HSS Cutter 2 Pack With 6mm Shank And 8mm Cutting Diameter 4.2mm Guidepost 48mm Overall Length Ideal For Smooth Metal Milling DRINYOUNG","description":"\u003cdiv\u003eM4 Straight Shank Counterbore End Mills, 2-Pack HSS Cutter\u003cbr\u003e\n✔️ 6mm shank, 8mm dia, 4-flute, 48mm length, 2pc pack \u003cp\u003eThe M4 straight shank counterbore end mills are high-speed steel (HSS) cutters designed for metal milling. The 8mm cutting diameter and 4-flute geometry deliver cleaner side walls and smoother finishes in steel, aluminum, and other metals. Perfect for pockets, countersinks, and spotfaces in workshops, maker spaces, and DIY setups.\u003c\/p\u003e \u003cp\u003e✅ 4-flute design for higher feed rates and smoother finishes on side walls\u003cbr\u003e\n✅ 6mm shank diameter fits standard collets and chucks\u003cbr\u003e\n✅ 8mm cutting diameter provides precise countersinking and seating\u003cbr\u003e\n✅ 48mm overall length offers compact reach for tight spots\u003cbr\u003e\n✅ 2-piece pack for value and ready replacement\u003c\/p\u003e \u003cp\u003e💡 What is a counterbore end mill used for in metalworking?\nA handy explainer:\n- Creates flat-bottom pockets for screw heads and accurate seating\u003cbr\u003e\n- The 4-flute design helps maintain stable cuts and better finishes\u003cbr\u003e\n- High-speed steel provides a tough, cost-effective option for DIY shops\u003cbr\u003e\n- Use with appropriate feeds and speeds to minimize chatter and wear\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47914423451883,"sku":"VXB0FVM4MKF4","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51JXJsPCLFL.jpg?v=1773237334","url":"https:\/\/vxb.com\/products\/m4-straight-shank-counterbore-end-mill-4-flute-hss","provider":"VXB Bearings","version":"1.0","type":"link"}