{"product_id":"11-16-in-x-12-in-extra-long-high-speed-steel-drill-bit-dwddl-series","title":"11\/16 in x 12 in Extra Long High Speed Steel Drill Bit - DWDDL Series","description":"\u003cp\u003eIn this review the 11\/16 in x 12 in Drill America DWDDL Series drill bit is evaluated for contractors, maintenance techs, and DIYers who need extra reach when drilling through iron and steel family materials. The bottom line: its combination of \u003cstrong\u003ehigh-speed steel construction\u003c\/strong\u003e and extra length makes it a practical choice when a standard length bit cannot reach, offering dependable chip evacuation and broad compatibility with common toolholders.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed steel:\u003c\/strong\u003e Provides a balance of hardness and toughness that helps resist wear when drilling into a range of ferrous materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra long 12 in length:\u003c\/strong\u003e Gives additional reach for drilling through thick assemblies or when access is restricted without sacrificing bit stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack oxide treatment:\u003c\/strong\u003e Adds lubricity and creates micro pockets that help retain coolant near the cutting edge to reduce heat buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank:\u003c\/strong\u003e Allows use with many chucks and toolholding systems for flexible setup across jobsite drills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral flutes (right-hand cut):\u003c\/strong\u003e Evacuate chips up and out of the hole to reduce clogging during continuous drilling operations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis drill bit suits maintenance crews, metal fabricators, and contractors who regularly drill deeper holes or must reach recessed locations in steel and iron-based materials. Its extra length and durable HSS substrate make it especially useful for retrofit work, through-bolting, and situations where a shorter bit would require disassembly.\u003c\/p\u003e\u003cp\u003eThose working primarily in wood, masonry, or specialty stainless tasks may want a bit optimized for those substrates or a coated variant designed specifically for extreme hardness or corrosion resistance. For precision jig work where absolute concentricity is critical, users should ensure their chuck and setup control runout carefully.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood general-purpose durability for a variety of iron and steel applications thanks to the HSS material.\u003c\/li\u003e\n\u003cli\u003eExtra long length provides reach without needing extensions or alternate tooling.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish helps lubricity and chip control for longer continuous drilling runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome users report mixed durability under heavy side loads or aggressive use, so it can break if overloaded or used improperly.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDrill America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDWDDL Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-speed steel (HSS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack oxide \/ bright finish features for chip evacuation\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\u003eFlute type\u003c\/td\u003e\n\u003ctd\u003eSpiral fluted, right-hand cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e12 in (extra long)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe DWDDL 11\/16 in x 12 in HSS extra long drill bit is a practical, value-minded choice for anyone needing reach and decent wear resistance when working in iron and steel materials. It is a good buy for maintenance, fabrication, and retrofit tasks where a standard bit falls short, provided the user avoids high side loads and matches the bit to appropriate drill speeds and coolant use.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this bit suitable for stainless steel?\u003c\/strong\u003e\u003cbr\u003eIt is designed for iron and steel family materials; it will work on some stainless but may wear faster than specialty stainless-grade or coated bits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the round shank fit a standard drill chuck?\u003c\/strong\u003e\u003cbr\u003eYes, the round shank is compatible with a wide variety of chucks and toolholding systems but check for tightness to minimize runout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the black oxide finish replace cutting coolant?\u003c\/strong\u003e\u003cbr\u003eNo, black oxide helps retain coolant and reduce friction but using appropriate coolant or lubricant is still recommended for prolonged drilling.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48677415518427,"sku":"B00FXHHTJA","price":42.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/518RMNFvwGL._SL1500_301a6357-4cdd-420b-bce8-10f139576e40.jpg?v=1778619645","url":"https:\/\/gearmusthave.com\/products\/11-16-in-x-12-in-extra-long-high-speed-steel-drill-bit-dwddl-series","provider":"GearMustHave","version":"1.0","type":"link"}