{"product_id":"drill-america-80-cobalt-heavy-duty-drill-bit-pack-of-12-durable","title":"Drill America #80 Cobalt Heavy Duty Drill Bit (Pack of 12) - Durable","description":"\u003cp\u003eIn this review the Drill America #80 Cobalt Heavy Duty Drill Bit (Pack of 12) is evaluated for metalworkers and fabricators seeking reliable small-diameter jobber drills. The bottom line: these bits are built from heat-resistant \u003cstrong\u003ecobalt steel\u003c\/strong\u003e that holds hardness at higher speeds, making them a sensible choice when drilling tough alloys like stainless, inconel and other high tensile materials. Customers who need a durable, sharp tool for frequent use will appreciate the balance of performance and value in this 12-piece set.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCobalt construction:\u003c\/strong\u003e Higher red hardness lets the bit run up to 30 percent faster than standard high-speed steel for tougher jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold oxide finish:\u003c\/strong\u003e A thin oxide surface helps identify the material while leaving cutting performance similar to uncoated tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e118 degree point:\u003c\/strong\u003e A standard point angle provides dependable centering and general-purpose drilling across many metals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank:\u003c\/strong\u003e Compatible with a wide variety of chucks and toolholding systems for easy use on drill presses and hand drills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral flute design:\u003c\/strong\u003e Right-hand cut spirals evacuate chips up and out of the hole to reduce clogging on deeper feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Drill America #80 cobalt jobber set is best for machinists, metal fabricators and serious DIYers who regularly drill small holes in hard materials such as stainless steel, PH stainless, titanium and nickel alloys. It suits workshop environments where higher cutting speeds and wear resistance matter.\u003c\/p\u003e\u003cp\u003eThose who primarily drill softer materials or need specialty coated bits for extended lubrication may look elsewhere; for micro precision work requiring carbide or highly coated micro-drills, a different toolset is a better choice.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent durability and edge retention from the cobalt steel, noted by users for strong \u003cstrong\u003edrill performance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eGood value for money in a 12-piece pack for repeated use or replacement in busy shops.\u003c\/li\u003e\n\u003cli\u003eSharp as supplied, with customers reporting performance comparable to more expensive solid carbide bits on many tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGold oxide is mainly an identification finish and does not provide the same lubrication or wear benefits as heavier coatings.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed feelings about the drill point angle for certain specialty tasks, so those with niche needs should verify geometry first.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eD\/ACO heavy duty jobber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e12 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHeat resistant cobalt steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoint angle\u003c\/td\u003e\n\u003ctd\u003e118 degrees standard point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGold oxide thin surface treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank type\u003c\/td\u003e\n\u003ctd\u003eRound shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing standard\u003c\/td\u003e\n\u003ctd\u003eNational Aerospace standard 907\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Drill America #80 cobalt jobber drill bit pack is a practical, cost-effective choice for anyone drilling small holes in high tensile metals; it offers strong \u003cstrong\u003edurability\u003c\/strong\u003e and speed advantages over HSS. For workshop use where reliable sharpness and longer life are important, this 12-pack represents solid value, though those needing specialty coatings or carbide-level micro precision should consider alternatives.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these bits suitable for stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes - the cobalt construction and higher red hardness make them effective on stainless and other hard alloys.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan they be used in hand drills?\u003c\/strong\u003e\u003cbr\u003eYes - the round shank and jobber length work with common chucks on hand drills and drill presses.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the gold oxide improve cutting life?\u003c\/strong\u003e\u003cbr\u003eThe gold oxide is a thin identification finish; cutting performance is similar to uncoated bits and it does not provide the same wear reduction as heavier functional coatings.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48741587812571,"sku":"B00FX6YK8O","price":32.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71bfcGlQTwL._SL1500_5ac8dc1b-7b2d-4554-838f-30d7bea1be22.jpg?v=1778995214","url":"https:\/\/gearmusthave.com\/products\/drill-america-80-cobalt-heavy-duty-drill-bit-pack-of-12-durable","provider":"GearMustHave","version":"1.0","type":"link"}