{"product_id":"drill-america-9-16-in-x-18-in-high-speed-steel-extra-long-drill-bit","title":"Drill America 9\/16 in x 18 in High Speed Steel Extra Long Drill Bit","description":"\u003cp\u003eIn this review the Drill America 9\/16 in x 18 in High Speed Steel extra long drill bit is evaluated for jobs that need reach into deep or awkward spaces; the bottom line is that it is a straightforward, dependable choice for general purpose drilling in iron and steel-family materials when extra length is required. The reviewer found the bit useful for production and maintenance tasks where a standard length bit would not reach, and its \u003cstrong\u003ehigh-speed steel\u003c\/strong\u003e construction and black oxide finish make it a practical option for users who value toughness and improved chip control.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra length:\u003c\/strong\u003e The 18 in length provides the reach needed to drill through stacked material or into deep cavities without switching to extensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed steel construction:\u003c\/strong\u003e Balances hardness and toughness so the bit resists wear across a broad range of ferrous materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack oxide treatment:\u003c\/strong\u003e Adds lubricity and helps retain coolant near the cutting edge for improved performance and longer life in many jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank:\u003c\/strong\u003e Fits a wide variety of chucks and toolholding systems so it is versatile across drills and holders.\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 during deep drilling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe bit is best for mechanics, maintenance techs, fabricators, and hobbyists who frequently work with iron and steel-family materials and need a single reliable extra long option for reach. It suits production environments or one-off repairs where drilling through stacked plates or into deep housings is required.\u003c\/p\u003e\u003cp\u003eThose who primarily drill softwoods, plastics, or nonferrous materials with tight tolerance hole locations, or who need coated carbide bits for extreme wear resistance, should look elsewhere; this is a general-purpose HSS tool rather than a specialty coated or carbide option.\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 reach for deep or awkward holes without having to add extensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable high-speed steel\u003c\/strong\u003e offers a balance of hardness and toughness for general metalworking use.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish improves lubricity and chip flow near the cutting edge.\u003c\/li\u003e\n\u003cli\u003eRound shank fits many chucks for broad compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report mixed durability under heavy side loads, so it is not immune to breakage if misused or overloaded.\u003c\/li\u003e\n\u003cli\u003eUncoated HSS is not as wear-resistant as specialized coated or carbide bits for extreme production wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e9\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length\u003c\/td\u003e\n\u003ctd\u003e18 in\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 \/ treatment\u003c\/td\u003e\n\u003ctd\u003eBlack 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\u003eFlute style\u003c\/td\u003e\n\u003ctd\u003eSpiral flute, right-hand cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDWDDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Drill America 9\/16 in x 18 in HSS extra long bit is a practical value for those who need reach and a dependable general-purpose metalworking drill. It combines \u003cstrong\u003eextra length\u003c\/strong\u003e with rugged HSS construction and a black oxide finish to perform well in many iron and steel applications; buyers who avoid heavy misuse will find it a good investment for maintenance and production tasks.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this bit be used in standard drill chucks?\u003c\/strong\u003e\u003cbr\u003eYes, the round shank is compatible with a wide variety of drill chucks and toolholding systems suitable for extra long bits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat materials is this bit intended for?\u003c\/strong\u003e\u003cbr\u003eIt is designed for general purpose drilling in a broad range of materials in the iron and steel families.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the black oxide mean the bit is coated for long life?\u003c\/strong\u003e\u003cbr\u003eBlack oxide adds lubricity and helps retain coolant, improving chip control and life, but it is not a hard wear coating like TiN; it is still an uncoated HSS substrate with surface treatment.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48241307680987,"sku":"B00FXHMDY6","price":59.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/518RMNFvwGL._SL1500_0fc32015-cd07-4968-ab98-6d6b7027d672.jpg?v=1771087760","url":"https:\/\/gearmusthave.com\/products\/drill-america-9-16-in-x-18-in-high-speed-steel-extra-long-drill-bit","provider":"GearMustHave","version":"1.0","type":"link"}