{"product_id":"cobalt-drill-bit-set-21pcs-1-16in-3-8in-durable-hss-jobber-bits","title":"Cobalt Drill Bit Set 21pcs 1\/16in-3\/8in - Durable HSS Jobber Bits","description":"\u003cp\u003eIn this review the 21Pcs Cobalt Drill Bit Set stands out as a practical all-rounder for hobbyists and tradespeople who need a compact, indexed kit of strong, sharp bits. The single biggest reason to buy is the M35 cobalt construction combined with a 135 degree split point that lets these bits start cleanly and cut through stainless steel, cast iron and other tough materials without much walking. The included metal storage box with a size index keeps the 21 bits organized and portable for a busy workshop or a jobsite.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM35 cobalt HSS:\u003c\/strong\u003e The cobalt coating and high speed steel core improve heat resistance and edge retention when drilling hard metals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e135 split point tip:\u003c\/strong\u003e Self-centering design reduces bit walk and gives faster, more accurate starts in metal and wood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist jobber length:\u003c\/strong\u003e The standard jobber length provides reach for general purpose drilling while maintaining rigidity to minimize wobble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide size range:\u003c\/strong\u003e The set covers common and less common sizes from 1\/16in up to 3\/8in so you have the right bit for many metalworking and woodworking tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal indexed box:\u003c\/strong\u003e A sturdy metal storage case with size markings keeps bits organized, easy to find, and protected in transit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished flutes:\u003c\/strong\u003e Smooth flutes help chip removal and reduce heat buildup for cleaner holes and longer bit life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe set is best for mechanics, metal fabricators, machinists and dedicated DIYers who regularly drill stainless steel, hardened bolts, cast iron or other tough materials and want a compact, organized selection of strong bits. The M35 cobalt construction and split point make it well suited for jobs that require reliable starts and frequent metal drilling.\u003c\/p\u003e\n\u003cp\u003eThose who primarily need metric sizes, very large diameters beyond 3\/8in, or occasional light woodworking only may prefer a different set tailored to those needs. Also, users expecting extreme long-term durability for the smallest bits should note mixed reports about longevity on the smallest sizes under abusive use.\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 M35 cobalt HSS construction that cuts through stainless and hardened metals effectively.\u003c\/li\u003e\n\u003cli\u003e135 split point provides fast, accurate starts and reduces walking on difficult surfaces.\u003c\/li\u003e\n\u003cli\u003eComprehensive 21-piece range with several duplicate small sizes and a metal indexed storage box for easy organization.\u003c\/li\u003e\n\u003cli\u003ePolished, hardened tips stay sharp initially and feel precise in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed durability on the smallest diameter bits when used on extreme hard materials.\u003c\/li\u003e\n\u003cli\u003eLimited to fractional inch sizes and tops out at 3\/8in, so it may not cover every workshop need.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYOHANSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eM35 cobalt high speed steel\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\u003eBit range\u003c\/td\u003e\n\u003ctd\u003e1\/16in to 3\/8in (21 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLengths\u003c\/td\u003e\n\u003ctd\u003eTwist jobber length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eMetal indexed storage box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 21-piece M35 cobalt drill bit set is a smart, value-oriented pick for anyone who drills metal regularly and wants a portable, organized kit. The split point and HSS cobalt make it effective on stainless and cast iron, and the metal case keeps the collection tidy. For general workshop use and metalworking tasks up to 3\/8in these bits offer strong performance and good value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these drill bits cut stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes. The M35 cobalt HSS and 135 degree split point are designed to handle stainless steel and other hard metals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the sizes clearly marked?\u003c\/strong\u003e\u003cbr\u003eThe metal storage box includes a size index so individual bits are easy to identify and return to their slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the largest size in the set?\u003c\/strong\u003e\u003cbr\u003eThe set ranges up to 3\/8in, covering a common range for general metal and wood drilling.\u003c\/p\u003e","brand":"YOHANSEN","offers":[{"title":"Default Title","offer_id":48640509968603,"sku":"B0DBH5L7BK","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81F1tM5LP_L._SL1500.jpg?v=1778539152","url":"https:\/\/gearmusthave.com\/products\/cobalt-drill-bit-set-21pcs-1-16in-3-8in-durable-hss-jobber-bits","provider":"GearMustHave","version":"1.0","type":"link"}