{"product_id":"dewalt-dw1629-1-in-reduced-shank-twist-drill-bit-durable-cutting","title":"DEWALT DW1629 1-In Reduced Shank Twist Drill Bit - Durable Cutting","description":"\u003cp\u003eOur review of the DEWALT DW1629 1-in 1\/2-in Reduced Shank Twist Drill Bit finds it best suited to tradespeople and serious DIYers who need a single large-size bit that can tackle dense hardwood and metal without walking. The bottom line: this is a precisely ground, \u003cstrong\u003eblack oxide coated\u003c\/strong\u003e twist bit with a split point that drills on contact and a parabolic flute that clears chips efficiently, so it excels when a clean, controlled large hole is the priority.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack oxide coating:\u003c\/strong\u003e provides greater wear resistance for longer life in repeated drilling tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit point tip:\u003c\/strong\u003e starts on contact and prevents walking so holes begin accurately without a pilot center punch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParabolic flute design:\u003c\/strong\u003e improves chip ejection in both metal and wood, reducing heat build-up and clogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e31 degree helix:\u003c\/strong\u003e moderates aggressiveness for steadier drilling and better control in thick materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced 1\/2-in shank:\u003c\/strong\u003e fits into standard chucks while delivering a 1-in cutting diameter for larger holes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis bit is aimed at carpenters, fabricators and experienced DIY users who need to drill 1-in holes through materials such as dense hardwoods and metal plate. The split point and parabolic flute make it a good choice when accuracy and chip clearing matter.\u003c\/p\u003e\n\u003cp\u003eUsers who require a range of sizes rather than a single large bit, or those who need guaranteed long-life under heavy industrial use, may want to consider a set or alternative materials such as cobalt or carbide-tipped bits. Also check compatibility if your drill chuck is unusually small, since the reduced shank is 1\/2-in.\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\u003eSharp split point that drills on contact for accurate starts without walking.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish and flute geometry help resist wear and improve chip removal.\u003c\/li\u003e\n\u003cli\u003eReduced shank lets a 1-in cutting diameter be used in common 1\/2-in chucks.\u003c\/li\u003e\n\u003cli\u003eHelix angle balances cutting speed and control for tougher materials.\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 in heavy use, with occasional breakage after a few uses.\u003c\/li\u003e\n\u003cli\u003eAs a single-size bit it is less useful if a variety of hole diameters are needed on a job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eDEWALT DW1629 1-in 1\/2-in Reduced Shank Twist Drill Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutting diameter\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank\u003c\/td\u003e\n\u003ctd\u003e1\/2 in reduced shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eBlack oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHelix angle\u003c\/td\u003e\n\u003ctd\u003e31 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip style\u003c\/td\u003e\n\u003ctd\u003eSplit point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufactured\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe DEWALT DW1629 is a practical, well-made large twist bit for users who need accurate 1-in holes in wood and metal with good chip ejection. It offers solid value thanks to the black oxide finish and split point, though durability can vary with heavy use; buy it if you need a reliable single large bit that fits standard 1\/2-in chucks.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this bit fit a standard drill chuck?\u003c\/strong\u003e\u003cbr\u003eThe bit has a 1\/2-in reduced shank so it fits most standard chucks that accept 1\/2-in shanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bit suitable for metal and hardwood?\u003c\/strong\u003e\u003cbr\u003eYes, the split point and parabolic flute improve performance in both metal and dense hardwoods, helping with chip ejection and reducing walking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow durable is the coating?\u003c\/strong\u003e\u003cbr\u003eThe black oxide coating improves wear resistance, but customer experience on long-term durability is mixed under heavy or repeated use.\u003c\/p\u003e","brand":"DEWALT","offers":[{"title":"Default Title","offer_id":48640761331931,"sku":"B00004RGYY","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51aZwDhpjML._SL1000.jpg?v=1778741506","url":"https:\/\/gearmusthave.com\/products\/dewalt-dw1629-1-in-reduced-shank-twist-drill-bit-durable-cutting","provider":"GearMustHave","version":"1.0","type":"link"}