{"product_id":"cobalt-drill-bits-set-145pcs-m35-hss-135-degree-tip-complete-kit","title":"Cobalt Drill Bits Set 145pcs M35 HSS 135 Degree Tip - Complete Kit","description":"\u003cp\u003eIn this review of the 145Pcs Cobalt Drill Bits Set the bottom line is straightforward: this kit is best for hobbyists, metalworkers and home professionals who need a wide range of sizes and tougher bits for hardened materials. The set's single biggest reason to buy is the industry grade \u003cstrong\u003eM35 high-speed steel\u003c\/strong\u003e composition with 5% cobalt, which offers noticeably better wear resistance than standard HSS in many shop tasks. The included indexed storage case and the full range from 1\/16 to 1\/2 in plus letter and numbered sizes make it convenient for repeated use.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive size range:\u003c\/strong\u003e The 145 pieces include fractional sizes from 1\/16 to 1\/2 in in 1\/64th increments, letter sizes A to Z and numbered sizes #1 to #60 for nearly any common drilling need.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM35 cobalt alloy:\u003c\/strong\u003e The bits are made with 5% cobalt content for improved \u003cstrong\u003ewear resistance\u003c\/strong\u003e and longer life when working hardened metal and stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e135 degree split point:\u003c\/strong\u003e The fast cutting 135 degree tip centers quickly and reduces walking, so holes start cleaner with less pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision grinding:\u003c\/strong\u003e Fully ground flutes and a twist design provide a sharp cutting edge and faster chip evacuation for more consistent drill performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganized storage case:\u003c\/strong\u003e A hard outer case with a size index and a drill bit holder keeps the set organized and easier to transport between jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe set suits DIYers, machinists and general contractors who frequently drill into \u003cstrong\u003ehardened metal, cast iron and stainless steel\u003c\/strong\u003e as well as wood and plastic. Its broad size coverage makes it handy for repair shops, fabrication benches and home tool collections where you want one kit to cover most needs.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who need only a few specialty sizes or who expect carbide-level performance for extremely abrasive composites; some customers report variable durability and occasional breakage if bits are abused or used without correct speeds and feeds.\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\u003eWide selection of fractional, letter and numbered sizes covers most drilling tasks without buying single bits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM35 alloy\u003c\/strong\u003e increases hardness and improves cutting life compared with standard HSS in many metal drilling jobs.\u003c\/li\u003e\n\u003cli\u003e135 degree split point and precision grinding reduce walking and improve hole quality out of the box.\u003c\/li\u003e\n\u003cli\u003eOrganized storage with size index keeps bits accessible and protected during transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report the bits can dull or break if used at wrong speeds or on very hard jobs; technique and feed rates matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet contents\u003c\/td\u003e\n\u003ctd\u003e145 pieces: fractional 1\/16 to 1\/2 in, letters A-Z, numbers #1-#60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eM35 high-speed steel with 5% cobalt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip angle\u003c\/td\u003e\n\u003ctd\u003e135 degree split point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank type\u003c\/td\u003e\n\u003ctd\u003eUniversal round drill shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eIndexed drill bit holder and outer storage case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eHardened metal, cast iron, stainless steel, plastic, wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 145Pcs M35 cobalt drill bit set is a practical, cost-effective kit for people who need broad size coverage and tougher bits for metalwork. While technique affects bit life, the \u003cstrong\u003eM35 construction\u003c\/strong\u003e, 135 degree tips and organized case deliver strong value for workshops and serious DIYers who want one versatile collection rather than multiple single bits.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bits suitable for stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes. The M35 cobalt alloy and 135 degree split point make them better suited to stainless steel and other hardened metals than basic HSS bits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the set include metric sizes?\u003c\/strong\u003e\u003cbr\u003eNo. The kit contains fractional inch sizes from 1\/16 to 1\/2 in, letter sizes A to Z and numbered sizes #1 to #60.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a case included for storage?\u003c\/strong\u003e\u003cbr\u003eYes. The set ships with an outer storage case and an indexed drill bit holder for organized storage and transport.\u003c\/p\u003e","brand":"ROGAPER","offers":[{"title":"Default Title","offer_id":48613290639579,"sku":"B0CZ8STK5X","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71NTSQbiESL._SL1500.jpg?v=1778408208","url":"https:\/\/gearmusthave.com\/products\/cobalt-drill-bits-set-145pcs-m35-hss-135-degree-tip-complete-kit","provider":"GearMustHave","version":"1.0","type":"link"}