{"product_id":"step-drill-bit-for-metal-1-3-8-cobalt-drill-bits-heavy-duty-for-stainless-steel-hard-metal-aluminum-copper-industrial-grade-5-steps-co138z-7-8-to-1-3-8","title":"Step Drill Bit for Metal,1-3\/8\",Cobalt Drill Bits, | Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Copper, Industrial Grade,5-Steps. Co138Z 7\/8\" to 1-3\/8\"","description":"\u003ch3\u003eStep Drill Bit for Metal,1-3\/8\",Cobalt Drill Bits, | Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Copper, Industrial Grade,5-Steps. Co138Z\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eIndustrial-Grade Cobalt Step Drill Bit for Tough Metals The CO138Z Cobalt Step\nDrill Bit (7\/8\" to 1-3\/8\") is built for professionals who demand durability\nand speed when drilling through stainless steel, hardened metals, and thick\nalloys. Made with 3% cobalt steel (M2 grade), this 5-step bit delivers 5X\nlonger lifespan and 2X faster cutting compared to standard HSS bits. Whether\nyou're a mechanic, metal fabricator, or serious DIYer, this heavy-duty step\nbit powers through stainless steel, aluminum, and copper with precision.\nHeavy-Duty Construction – Built to Last 3% Cobalt Steel (M2 Grade) – Harder\nand more heat-resistant than standard HSS, ideal for stainless steel,\ngalvanized metal, and cast iron. Tri-Flat Shank (3\/8\") – Locks securely in\ndrill chucks, preventing slippage under high torque. 2-Straight Flute Design –\nEfficient chip removal reduces clogging and overheating. 5 Precision Steps\n(9\/32\" to 1-3\/8\") – Covers essential hole sizes for plumbing, automotive, and\nfabrication work.  Where \u0026amp; How to Use It – Professional Applications ✔\nStainless Steel Work – Perfect for sinks, exhaust systems, and structural\nbrackets. ✔ Automotive \u0026amp; Heavy Machinery – Drills tractor buckets, loader\narms, brake rotors, and lug bolts effortlessly. ✔ HVAC \u0026amp; Plumbing – Cuts clean\nholes in copper pipes, steel tubing, and PVC. Pro Tips for Best Performance:\nSecure the workpiece – Use clamps for metal to prevent vibration. Start slow,\nthen increase speed – Best for stainless steel \u0026amp; hard alloys. Apply cutting\noil – Extends bit life and reduces friction. Clear metal chips regularly –\nPrevents clogging for smoother drilling. Engineered for Professionals – No\nCompromises This CO138Z Cobalt Step Bit is not a disposable tool—it’s built\nfor hard work. Designed for welders, mechanics, and metalworkers, it\noutperforms standard bits and drills through stainless steel like a hot knife\nthrough butter. Stop wasting time with cheap bits that dull quickly—upgrade to\nindustrial-grade performance today.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003eHeavy Duty for Stainless Steel The Cobalt Drill Bits(M2+3%Cobalt STEEL) can drill 5X longer life and 2X faster. This Cobalt Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This steel drill bit is tough,sharp and can drill many holes on hard metal like a Work Horse!\u003c\/li\u003e\n         \u003cli\u003eCobalt Drill BitsPrefect for Stainless Steel\/Metal Sheet\/Wood\/Plastic\/Aluminum Sheet\/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter\u003c\/li\u003e\n         \u003cli\u003eA Work HorseThis spiral shaped step bit is a work horse. Easily drilled through the steel platform of your zero-turn mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet\u003c\/li\u003e\n         \u003cli\u003e5 Steps2-Straight-Flute3\/8\" Shank 6 steps: from 9\/32\", 7\/8\", 1-1\/8\", 1-7\/32\", 1-1\/4\" to 1-3\/8\". 2-Straight-Flute:Clears Chips faster\u003c\/li\u003e\n         \u003cli\u003eCOBALT DRILL BIT \/ HEAVY DUTY for SS \/ (7\/8\" to 1-3\/8\")\u003c\/li\u003e\n  \u003c\/ul\u003e","brand":"OXMUL","offers":[{"title":"7\/8\" to 1-3\/8\"","offer_id":44288737542324,"sku":"B0DFTTMQXW","price":165.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9906\/1172\/files\/B0DFTTMQXW.jpg?v=1784627781","url":"https:\/\/auspowers.com\/products\/step-drill-bit-for-metal-1-3-8-cobalt-drill-bits-heavy-duty-for-stainless-steel-hard-metal-aluminum-copper-industrial-grade-5-steps-co138z-7-8-to-1-3-8","provider":"AusPower Australia","version":"1.0","type":"link"}