{"product_id":"professional-grade-5-piece-counterbore-drill-bits","title":"专业级5件套沉头钻头组，配备4槽直柄立铣刀，高速钢（HSS）沉头槽铣刀，适用于铜、铝、铸铁，规格M3至M8，理想选择，快速换刀，持久耐用，适合DIY爱好者使用","description":"\u003cdiv\u003e5件套高速钢沉头钻头组，快速更换工具\u003cbr\u003e\n✔️ M3至M8尺寸，HSS-AL钢材，5件套，高精度 \u003cp\u003e这五款高速钢沉头和槽端铣刀专为铣床设计，用于加工螺栓头或螺丝凹槽。适用于铜、铝、钢和铸铁，能精准开孔，快速更换工具，助力高效的DIY和专业作业。\u003c\/p\u003e ✅ 材质：HSS-AL超硬高速钢\u003cbr\u003e\n✅ 硬度：HRC65-68\u003cbr\u003e\n✅ 尺寸：M3 3.2 x 5.9 x 6 x 45mm；M4 4.2 x 7.4 x 6 x 48mm；M5 5.2 x 8.9 x 6 x 51mm；M6 6.2 x 10.4 x 8 x 58mm；M8 8.2 x 13.4 x 12 x 67mm\u003cbr\u003e\n✅ 包含1套（5件）沉头铣刀\u003cbr\u003e\n✅ 重量：约128克\u003cbr\u003e \u003cp\u003e💡 沉头钻头组有什么用途？\u003c\/p\u003e\n\u003cp\u003e这些实用钻头用于在金属零件上制作平齐的沉头孔，适合螺栓头和螺丝凹槽，使连接处整洁且牢固。\u003c\/p\u003e\n- 适用于铣床上铜、铝、钢和铸铁的螺栓头座孔加工\n- 制作干净、平齐的沉头孔，便于快速组装\n- 4刃直槽端铣刀优化切屑排出，减少振动\n- 高速钢（HSS-AL）提供长寿命和耐腐蚀性\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404870742335,"sku":"VXB09JGRXC5X","price":57.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/61RbwjvvtML.jpg?v=1776656921","url":"https:\/\/bearingscanada.com\/zh\/products\/professional-grade-5-piece-counterbore-drill-bits","provider":"Bearings Canada","version":"1.0","type":"link"}