[{"data":1,"prerenderedAt":246},["ShallowReactive",2],{"article-tools-m42-m35-cobalt-drill-bits":3},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":7,"slug":9,"category":10,"product_name":11,"seo_meta":12,"attributes":15,"table_data":23,"monetization":48,"body":52,"_type":239,"_id":240,"_source":241,"_file":242,"_stem":243,"_extension":244,"sitemap":245},"\u002Ftools\u002Fm42-m35-cobalt-drill-bits","tools",false,"","M42 M35 Cobalt Drill Bits","m42-m35-cobalt-drill-bits","hardware-tools","M42 含鈷鑽頭 \u002F M35 麻花鑽尾",{"title":13,"description":14},"白鐵鑽不穿？M42含鈷鑽頭與M35麻花鑽尾規格與挑選指南 | 【阿明五金零件生活雜記】","不鏽鋼(白鐵)鑽不穿又一直燒鑽頭？阿明師傅教你挑選M42含鈷與M35麻花鑽頭，附詳細規格表與加工轉速建議，高CP值台灣現貨推薦。",{"material":16,"feature":17,"application":18},"M42 \u002F M35 含鈷高速鋼 (HSS-Co)","耐高溫、高紅硬性、排屑順暢",[19,20,21,22],"304\u002F316不鏽鋼","模具鋼","鑄鐵","一般鐵板",{"headers":24,"rows":37},[25,28,31,34],{"key":26,"label":27},"type","鑽頭材質",{"key":29,"label":30},"cobalt_content","含鈷比例",{"key":32,"label":33},"hardness","硬度 (HRC)",{"key":35,"label":36},"best_for","最適用途",[38,43],{"type":39,"cobalt_content":40,"hardness":41,"best_for":42},"M35 含鈷高速鋼","5%","64-66","一般白鐵 (304)、厚鐵板、鋁合金",{"type":44,"cobalt_content":45,"hardness":46,"best_for":47},"M42 含鈷高速鋼","8%","67-70","硬化鋼、316不鏽鋼、模具鋼",{"primary_cta":49},{"button_text":50,"affiliate_link":51},"👉 點我到蝦皮買含鈷鑽尾 (附發票)","https:\u002F\u002Fs.shopee.tw\u002F3qLlP3Xdo6",{"type":53,"children":54,"toc":232},"root",[55,64,70,83,90,95,100,173,178,185,190],{"type":56,"tag":57,"props":58,"children":60},"element","h2",{"id":59},"遇到白鐵就舉白旗你需要一把真正的含鈷鑽頭",[61],{"type":62,"value":63},"text","遇到白鐵就舉白旗？你需要一把真正的含鈷鑽頭",{"type":56,"tag":65,"props":66,"children":67},"p",{},[68],{"type":62,"value":69},"你是不是常常拿五金行隨便買的那種黑色普通麻花鑽頭，想去鑽家裡的白鐵（不鏽鋼）水管、防盜窗，結果鑽沒兩下，不但一直打滑，鑽頭前端還直接發青燒掉？",{"type":56,"tag":65,"props":71,"children":72},{},[73,75,81],{"type":62,"value":74},"阿明以前在工廠顧 CNC 車床跟洗床，遇到這種硬梆梆、黏性又高的材料，絕對是直接換上 ",{"type":56,"tag":76,"props":77,"children":78},"strong",{},[79],{"type":62,"value":80},"含鈷鑽頭 (HSS-Co)",{"type":62,"value":82},"。高速鋼裡面加了「鈷」，可以大幅提升鑽頭的「紅硬性」（就是在高溫摩擦下，依然保持硬度不退火）。",{"type":56,"tag":84,"props":85,"children":89},"article-image",{"alt":86,"caption":87,"src":88},"M42含鈷鑽頭與M35麻花鑽頭鑽穿白鐵不鏽鋼實測","左邊是燒壞退火的普通鑽頭，右邊是能輕鬆咬入白鐵的含鈷鑽頭","\u002Fimages\u002Fm42-m35-cobalt-drill-bits-test.webp",[],{"type":56,"tag":65,"props":91,"children":92},{},[93],{"type":62,"value":94},"一般居家修繕或工廠打樣，最常用的就是 M35 (含鈷 5%) 跟 M42 (含鈷 8%)。如果只是鑽一般 304 不鏽鋼，M35 就很夠吃了；但如果你要硬碰硬，對付 316 不鏽鋼或是熱處理過的模具鋼，直上 M42 絕對能幫你省下大把時間。",{"type":56,"tag":65,"props":96,"children":97},{},[98],{"type":62,"value":99},"買的時候記得看清楚你要的孔徑大小（mm），下面阿明幫你把兩種常見含鈷鑽頭的特性整理出來，對照著看最清楚：",{"type":56,"tag":101,"props":102,"children":103},"table",{},[104,130],{"type":56,"tag":105,"props":106,"children":107},"thead",{},[108],{"type":56,"tag":109,"props":110,"children":111},"tr",{},[112,118,122,126],{"type":56,"tag":113,"props":114,"children":116},"th",{"align":115},"left",[117],{"type":62,"value":27},{"type":56,"tag":113,"props":119,"children":120},{"align":115},[121],{"type":62,"value":30},{"type":56,"tag":113,"props":123,"children":124},{"align":115},[125],{"type":62,"value":33},{"type":56,"tag":113,"props":127,"children":128},{"align":115},[129],{"type":62,"value":36},{"type":56,"tag":131,"props":132,"children":133},"tbody",{},[134,154],{"type":56,"tag":109,"props":135,"children":136},{},[137,142,146,150],{"type":56,"tag":138,"props":139,"children":140},"td",{"align":115},[141],{"type":62,"value":39},{"type":56,"tag":138,"props":143,"children":144},{"align":115},[145],{"type":62,"value":40},{"type":56,"tag":138,"props":147,"children":148},{"align":115},[149],{"type":62,"value":41},{"type":56,"tag":138,"props":151,"children":152},{"align":115},[153],{"type":62,"value":42},{"type":56,"tag":109,"props":155,"children":156},{},[157,161,165,169],{"type":56,"tag":138,"props":158,"children":159},{"align":115},[160],{"type":62,"value":44},{"type":56,"tag":138,"props":162,"children":163},{"align":115},[164],{"type":62,"value":45},{"type":56,"tag":138,"props":166,"children":167},{"align":115},[168],{"type":62,"value":46},{"type":56,"tag":138,"props":170,"children":171},{"align":115},[172],{"type":62,"value":47},{"type":56,"tag":174,"props":175,"children":177},"aff-link",{"text":176,"url":51},"👉點我到蝦皮買台灣製M42\u002FM35含鈷鑽尾",[],{"type":56,"tag":179,"props":180,"children":182},"h3",{"id":181},"阿明的加工避坑小提醒",[183],{"type":62,"value":184},"🔧 阿明的加工避坑小提醒",{"type":56,"tag":65,"props":186,"children":187},{},[188],{"type":62,"value":189},"拿到好鑽頭，如果你操作手法不對，一樣會秒掛掉。鑽硬材料，千萬記住這三件事：",{"type":56,"tag":191,"props":192,"children":193},"ol",{},[194,212,222],{"type":56,"tag":195,"props":196,"children":197},"li",{},[198,203,205,210],{"type":56,"tag":76,"props":199,"children":200},{},[201],{"type":62,"value":202},"轉速一定要慢：",{"type":62,"value":204}," 白鐵切忌高轉速！電鑽催到底，轉速太快只會劇烈摩擦生熱，鑽頭直接退火報廢。手持電鑽請",{"type":56,"tag":76,"props":206,"children":207},{},[208],{"type":62,"value":209},"放慢速度，用力壓實",{"type":62,"value":211},"再讓它慢慢切進去，看到有條狀的鐵屑捲出來才是對的。",{"type":56,"tag":195,"props":213,"children":214},{},[215,220],{"type":56,"tag":76,"props":216,"children":217},{},[218],{"type":62,"value":219},"切削油不能省：",{"type":62,"value":221}," 鑽頭旁邊一定要備一罐切削油，沒有的話機油加減用（真的走投無路才用 WD-40，它太稀容易揮發）。邊鑽邊點油降溫潤滑，看到鑽頭冒煙就立刻停下來散熱。",{"type":56,"tag":195,"props":223,"children":224},{},[225,230],{"type":56,"tag":76,"props":226,"children":227},{},[228],{"type":62,"value":229},"先打中心衝：",{"type":62,"value":231}," 白鐵表面很滑，直接拿鑽頭下去很容易跑位刮花工件。先拿「中心衝」在要鑽孔的地方敲一個小凹洞，讓鑽頭能準確咬住起始點。",{"title":7,"searchDepth":233,"depth":233,"links":234},2,[235],{"id":59,"depth":233,"text":63,"children":236},[237],{"id":181,"depth":238,"text":184},3,"markdown","content:tools:m42-m35-cobalt-drill-bits.md","content","tools\u002Fm42-m35-cobalt-drill-bits.md","tools\u002Fm42-m35-cobalt-drill-bits","md",{"loc":4},1784912258119]