{"product_id":"drill-america-w-cobalt-drill-bit-pack-of-6-durable-metal-drilling","title":"Drill America W Cobalt Drill Bit Pack of 6 - Durable Metal Drilling","description":"\u003cp\u003eIn this review of the Drill America W Cobalt Drill Bit (Pack of 6) the bottom line is straightforward: these are jobber length cobalt drill bits for users who need reliable performance when cutting tougher metals. Built from heat-resistant cobalt and manufactured to National Aerospace standard 907, they are aimed at tradespeople and home fabricators who often drill stainless steel, high carbon steel, or nickel alloys and need bits that stay sharp and tolerate higher speeds.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCobalt construction:\u003c\/strong\u003e The heat resistant cobalt composition provides higher red hardness so the bits can run up to 30 percent faster than typical high-speed steel for tougher materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold oxide finish:\u003c\/strong\u003e A thin oxide surface treatment protects the flutes while maintaining cutting performance similar to uncoated tools for consistent chip formation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank:\u003c\/strong\u003e Round shanks allow use with a wide variety of toolholding systems so they fit standard chucks and drill holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral flute design:\u003c\/strong\u003e Right-hand spiral flutes evacuate chips up and out of the cut to reduce clogging when drilling deeper holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing standard:\u003c\/strong\u003e Produced to National Aerospace standard 907, indicating consistent dimensions and quality suitable for demanding work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Drill America DWDCO series is best for machinists, metalworkers, and serious DIYers who regularly drill high tensile strength materials like PH stainless steel, inconel, titanium, or thick galvanized and high carbon steels. These customers will appreciate the increased red hardness and the ability to push speeds higher than with conventional high-speed steel.\u003c\/p\u003e\n\u003cp\u003eThose who only drill softwoods, plastics, or occasional light-duty metal may find standard HSS bits more cost effective; also users requiring specialized coatings for extreme wear resistance should consider coated carbide or specialized surface-treated tooling instead.\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\u003eDurable cobalt material stays sharp and tolerates higher cutting speeds for tough alloys.\u003c\/li\u003e\n\u003cli\u003eGold oxide finish preserves flute function without compromising cutting action.\u003c\/li\u003e\n\u003cli\u003eWorks well across a range of metals, with customer reports of good drilling through galvanized and high carbon steel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGeometry received mixed feedback from users, so performance may vary by application and set size chosen.\u003c\/li\u003e\n\u003cli\u003eNot coated for extreme wear situations where carbide or specialized coatings would last longer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDWDCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCobalt steel (heat resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003eJobber length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGold oxide (thin oxide)\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\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eManufactured to National Aerospace standard 907\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Drill America W Cobalt Pack of 6 is a solid value for anyone needing dependable performance drilling harder metals; its heat resistant cobalt alloy and jobber length make it versatile for shop and field work. For the price and construction it is a practical choice for metalworkers who want bits that hold an edge and run hotter than HSS, though those needing the highest wear life in abrasive or production environments may prefer carbide options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bits good for stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes, the cobalt construction is specifically suited to stainless and other high tensile alloys and permits higher speeds than standard HSS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they fit a standard drill chuck?\u003c\/strong\u003e\u003cbr\u003eYes, the round shanks allow use with a wide variety of standard chucks and toolholding systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the gold oxide finish do?\u003c\/strong\u003e\u003cbr\u003eThe thin gold oxide is a surface treatment that protects the flutes while maintaining cutting performance similar to uncoated tools.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48232098398427,"sku":"B00FXHH39Q","price":44.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xcTcJaimL._SL1500_7f79dbf7-bc85-4e96-a93f-94a237e240db.jpg?v=1770727117","url":"https:\/\/gearmusthave.com\/products\/drill-america-w-cobalt-drill-bit-pack-of-6-durable-metal-drilling","provider":"GearMustHave","version":"1.0","type":"link"}