{"product_id":"29pcs-cobalt-drill-bit-set-135-tip-durable-black-gold-jobber-bits","title":"29Pcs Cobalt Drill Bit Set 135 Tip - Durable Black \u0026 Gold Jobber Bits","description":"\u003cp\u003eIn this review of the 29Pcs Cobalt Drill Bit Set the bottom line is simple: this set is aimed at professionals and serious DIYers who need a wide range of sizes and reliable performance when drilling metal, wood, and plastic. The reviewer found the collection of sizes and the 135 degree split point to be the single biggest reason to buy, since those features make it easy to start holes cleanly and tackle hardened materials with less walking. The indexed metal case also makes it convenient to carry and keep bits organized on the job.\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 29 sizes from 1\/16 in to 1\/2 in cover unusual fractions and standard jobber lengths so you rarely need a second set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e135 degree split point:\u003c\/strong\u003e The split point design prevents walking and provides accurate starts for faster, straighter penetration with less pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh speed steel construction:\u003c\/strong\u003e Cobalt alloy HSS offers strength for drilling through stainless steel, cast iron, and other tough metals without dulling immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack and gold oxide finish:\u003c\/strong\u003e The coating improves corrosion and wear resistance, helping bits last longer in humid or workshop environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist drill geometry:\u003c\/strong\u003e The twist flutes clear chips efficiently to reduce heat buildup and keep holes cleaner across steel, wood, and plastic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndexed metal storage case:\u003c\/strong\u003e A durable, labeled case keeps bits organized and easy to transport between job sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis set is best for tradespeople, machinists, and serious DIYers who frequently drill a variety of materials and need access to many fractional sizes in one kit. The inclusion of hardier HSS cobalt and a 135 split point makes it suitable for industrial metalwork as well as workshop projects.\u003c\/p\u003e\n\u003cp\u003eThose who drill only occasional soft-material holes or who prefer carbide or coated specialty bits for extremely abrasive materials might look elsewhere; similarly, if absolute top-tier longevity on the smallest bits is critical, some users reported mixed durability for the finest sizes and may prefer individually hardened specialty bits.\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 size selection covers common and uncommon fractional sizes needed for repairs and fabrication.\u003c\/li\u003e\n\u003cli\u003eSplit point and straight shank give accurate starts and reduce walking for cleaner holes.\u003c\/li\u003e\n\u003cli\u003eBlack and gold oxide finish improves corrosion resistance and wear life in typical shop 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 users report mixed durability for the smallest diameter bits under heavy use, so they can wear faster than larger sizes.\u003c\/li\u003e\n\u003cli\u003eNot a specialized coating like TiN or carbide tips, so extreme high-volume production drilling may show faster wear.\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\u003ePiece count\u003c\/td\u003e\n\u003ctd\u003e29 pcs (1\/16 in to 1\/2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh speed steel with cobalt alloy\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\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack and gold oxide coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank type\u003c\/td\u003e\n\u003ctd\u003eRound straight shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eDurable indexed metal case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe YOHANSEN 29Pcs Cobalt set is a practical, value-oriented kit for professionals and hobbyists who need many fractional sizes and reliable starts in metal, wood, and plastic. Its HSS cobalt construction, 135 split point, and indexed case make it a good all-around jobber set; users who demand extreme longevity on the tiniest bits should be aware of mixed reports but most will find this set excellent value for everyday shop and jobsite tasks.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these bits drill stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes, the high speed steel with cobalt alloy and the 135 degree split point are designed to handle stainless steel and other hardened metals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the sizes clearly marked in the case?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes an indexed storage case that organizes and labels each size for easy selection and transport.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the bits work in a cordless drill?\u003c\/strong\u003e\u003cbr\u003eYes, the round straight shanks fit standard chucks on cordless and corded drills for general metal, wood, and plastic work.\u003c\/p\u003e","brand":"YOHANSEN","offers":[{"title":"Default Title","offer_id":48201907667163,"sku":"B0DBH5QF5P","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/810ezikXJxL._SL1500.jpg?v=1770231702","url":"https:\/\/gearmusthave.com\/products\/29pcs-cobalt-drill-bit-set-135-tip-durable-black-gold-jobber-bits","provider":"GearMustHave","version":"1.0","type":"link"}