{"product_id":"m35-step-drill-bit-set-for-metal-19-step-cobalt-bits-heavy-duty","title":"M35 Step Drill Bit Set for Metal, 19-Step Cobalt Bits - Heavy Duty","description":"\u003cp\u003eIn this review the OXMUL M35 Step Drill Bit Set is examined for professionals and serious DIYers who need a dependable way to make stepped holes in stainless steel and other hard materials. The bottom line: this 2-piece set is built around \u003cstrong\u003eM35 cobalt\u003c\/strong\u003e steel and delivers noticeably faster cutting with long bit life when working through sheet metal, aluminum, or hardened steel plate. It is best for tasks that require repeatedly enlarging or deburring holes without changing bits.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM35 cobalt construction:\u003c\/strong\u003e The 5% cobalt alloy resists heat and wear so bits maintain cutting edge and last longer during heavy use on stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide step range:\u003c\/strong\u003e Nineteen stepped diameters cover small pilot holes up to larger openings so one set replaces many individual bits for sheet work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual shank types:\u003c\/strong\u003e Includes a 1\/4in hex shank and a 3\/8in tri-flat shank to improve grip in chucks and reduce slip under high torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight-flute design:\u003c\/strong\u003e Two straight flutes clear chips faster for smoother cutting and less binding when stepping up hole sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged carrying case:\u003c\/strong\u003e A fitted case protects the bits in a toolbox and keeps the two sizes together for portability and job-site use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis set is aimed at metalworkers, fabricators, mechanics and experienced DIYers who frequently drill through \u003cstrong\u003estainless steel\u003c\/strong\u003e, galvanized steel, aluminum, copper or other hard metals and want a single tool to step drill multiple hole sizes. It shines on sheet metal tasks such as modifying panels, creating access holes, and drilling through thin structural components.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who only need occasional, single-size holes in wood or masonry or who prefer carbide hole saws for very large diameters; the step bit is optimized for metal sheet and through-holes rather than heavy masonry or very thick plate drilling.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent cutting speed and edge retention from the \u003cstrong\u003eM35 cobalt\u003c\/strong\u003e composition.\u003c\/li\u003e\n\u003cli\u003eVersatile stepped sizes reduce bit changes and speed repetitive hole sizing tasks.\u003c\/li\u003e\n\u003cli\u003eSecure fit from dual shank options minimizes slippage in high-torque drills.\u003c\/li\u003e\n\u003cli\u003eStraight flutes help evacuate chips and keep the cut clean on metal sheets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurability feedback is mixed in heavy continuous use; some users reported wear after extensive pilot-hole work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet configuration\u003c\/td\u003e\n\u003ctd\u003e2-piece step bit set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eM35 cobalt steel (1.3243 grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep range\u003c\/td\u003e\n\u003ctd\u003eNineteen steps covering 1\/8in to 1-3\/8in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank types\u003c\/td\u003e\n\u003ctd\u003e1\/4in hex shank and 3\/8in tri-flat shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlute design\u003c\/td\u003e\n\u003ctd\u003e2 straight flutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded accessory\u003c\/td\u003e\n\u003ctd\u003eRugged packing case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended materials\u003c\/td\u003e\n\u003ctd\u003eStainless steel, hard metal, aluminum, iron, wood, PVC, copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe OXMUL M35 Step Drill Bit Set is a practical, value-oriented choice for anyone who needs reliable stepped drilling in metal sheets and thin plate. Its \u003cstrong\u003eM35 cobalt\u003c\/strong\u003e construction and dual shank options deliver faster cuts and improved grip, making it worth the investment for frequent metal work, while occasional users should weigh the cost versus occasional single bits.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these bits cut stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes. The M35 cobalt composition is formulated to withstand heat and cut through stainless steel and other hard metals effectively.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat hole sizes are covered?\u003c\/strong\u003e\u003cbr\u003eThe set provides nineteen stepped diameters from 1\/8in up to 1-3\/8in to cover a wide range of hole sizes without changing bits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they stay tight in a drill chuck?\u003c\/strong\u003e\u003cbr\u003eThe set includes a 1\/4in hex shank and a 3\/8in tri-flat shank to improve grip and reduce slippage under high torque.\u003c\/p\u003e","brand":"OXMUL","offers":[{"title":"Default Title","offer_id":48256804913371,"sku":"B0CD7MNRZT","price":33.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Is26BT8PL._SL1500.jpg?v=1778348233","url":"https:\/\/gearmusthave.com\/products\/m35-step-drill-bit-set-for-metal-19-step-cobalt-bits-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}