{"id":9681489723543,"title":"3PCS Cobalt Step Drill Bit Set for Stainless Steel \u0026 Hard Metal,M35 HSS Unibit with TiAlN Coating,Spiral Flute Design,1\/8\"-1\/2\", 1\/4\"-3\/4\", 3\/16\"-7\/8\" for Iron, Aluminum, and Alloy Drilling 3PCS-Cobalt Step Drill Bit Set (SAE)","handle":"3pcs-cobalt-step-drill-bit-set-for-stainless-steel-hard-metal-m35-hss-unibit-with-tialn-coating-spiral-flute-design-1-8-1-2-1-4-3-4-3-16-7-8-for-iron-aluminum-and-alloy-drilling-3pcs-cobalt-step-drill-bit-set-sae","description":"\u003ch3\u003e3PCS Cobalt Step Drill Bit Set for Stainless Steel \u0026amp; Hard Metal,M35 HSS Unibit with TiAlN Coating,Spiral Flute Design,1\/8\"-1\/2\", 1\/4\"-3\/4\", 3\/16\"-7\/8\" for Iron, Aluminum, and Alloy Drilling\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003ePremium M35 Cobalt Construction Engineered from industrial-grade M35 cobalt high-speed steel with a TiAlN coating, these step drill bits deliver exceptional hardness, heat resistance, and cutting performance. Designed to stay sharper longerideal for drilling through stainless steel, iron, aluminum, and other tough metals.\u003c\/li\u003e\n \u003cli\u003eSuperior Cutting Efficiency Each bit is heat-treated and hardened to 6467 HRC, ensuring precise, burr-free holes even in hard materials. The spiral flute design promotes smooth chip evacuation, reduces friction, and prevents clogging for faster, cleaner drilling.\u003c\/li\u003e\n \u003cli\u003eWide Size Range \u0026amp; Compatibility Includes three step drill bits covering a range from 1\/8\" to 7\/8\" (1\/8\"-1\/2\", 1\/4\"-3\/4\", and 3\/16\"-7\/8\"), suitable for hole enlargement or new drilling. Compatible with drill presses, milling machines, and cordless drillsperfect for professionals and DIY metalworkers alike.\u003c\/li\u003e\n \u003cli\u003eMaximize Tool Life with Proper Use For optimal performance, use cooling oil and maintain a low drill speed (250400 RPM) when cutting metal. Avoid using impact drivers to prevent uneven torque and premature wearensuring your bits last longer and perform consistently.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-30T17:18:55+10:00","created_at":"2026-07-27T09:33:50+10:00","vendor":"ColumPRO","type":"Drill Bits","tags":["home_improvement_Aug2026"],"price":17800,"price_min":17800,"price_max":17800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48069451350167,"title":"3PCS-Cobalt Step Drill Bit Set (SAE)","option1":"3PCS-Cobalt Step Drill Bit Set (SAE)","option2":null,"option3":null,"sku":"B0FWB5FRTG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"3PCS Cobalt Step Drill Bit Set for Stainless Steel \u0026 Hard Metal,M35 HSS Unibit with TiAlN Coating,Spiral Flute Design,1\/8\"-1\/2\", 1\/4\"-3\/4\", 3\/16\"-7\/8\" for Iron, Aluminum, and Alloy Drilling 3PCS-Cobalt Step Drill Bit Set (SAE) - 3PCS-Cobalt Step Drill Bit Set (SAE)","public_title":"3PCS-Cobalt Step Drill Bit Set (SAE)","options":["3PCS-Cobalt Step Drill Bit Set (SAE)"],"price":17800,"weight":168,"compare_at_price":null,"inventory_management":"shopify","barcode":"O120-3PCS SAE","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0FWB5FRTG.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/71vC1QwAP0L.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/61ZHKcIqIGL.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/61huLpXeFCL.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/71yIdiyyOqL.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/71-d9BqPxTL.jpg?v=1785108832","\/\/newnestshop.com\/cdn\/shop\/files\/81S1ObdhVEL.jpg?v=1785108832"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FWB5FRTG.jpg?v=1785108832","options":["Style"],"media":[{"alt":null,"id":42462542135447,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FWB5FRTG.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FWB5FRTG.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542168215,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71vC1QwAP0L.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71vC1QwAP0L.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542200983,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61ZHKcIqIGL.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61ZHKcIqIGL.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542233751,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61huLpXeFCL.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61huLpXeFCL.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542266519,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71yIdiyyOqL.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71yIdiyyOqL.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542299287,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-d9BqPxTL.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-d9BqPxTL.jpg?v=1785108832","width":1600},{"alt":null,"id":42462542332055,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/81S1ObdhVEL.jpg?v=1785108832"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/81S1ObdhVEL.jpg?v=1785108832","width":1600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e3PCS Cobalt Step Drill Bit Set for Stainless Steel \u0026amp; Hard Metal,M35 HSS Unibit with TiAlN Coating,Spiral Flute Design,1\/8\"-1\/2\", 1\/4\"-3\/4\", 3\/16\"-7\/8\" for Iron, Aluminum, and Alloy Drilling\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003ePremium M35 Cobalt Construction Engineered from industrial-grade M35 cobalt high-speed steel with a TiAlN coating, these step drill bits deliver exceptional hardness, heat resistance, and cutting performance. Designed to stay sharper longerideal for drilling through stainless steel, iron, aluminum, and other tough metals.\u003c\/li\u003e\n \u003cli\u003eSuperior Cutting Efficiency Each bit is heat-treated and hardened to 6467 HRC, ensuring precise, burr-free holes even in hard materials. The spiral flute design promotes smooth chip evacuation, reduces friction, and prevents clogging for faster, cleaner drilling.\u003c\/li\u003e\n \u003cli\u003eWide Size Range \u0026amp; Compatibility Includes three step drill bits covering a range from 1\/8\" to 7\/8\" (1\/8\"-1\/2\", 1\/4\"-3\/4\", and 3\/16\"-7\/8\"), suitable for hole enlargement or new drilling. Compatible with drill presses, milling machines, and cordless drillsperfect for professionals and DIY metalworkers alike.\u003c\/li\u003e\n \u003cli\u003eMaximize Tool Life with Proper Use For optimal performance, use cooling oil and maintain a low drill speed (250400 RPM) when cutting metal. Avoid using impact drivers to prevent uneven torque and premature wearensuring your bits last longer and perform consistently.\u003c\/li\u003e\n \u003c\/ul\u003e"}