{"product_id":"drill-america-1-3-4-in-bottoming-tap-dwt-series-re-threads-to-hole","title":"Drill America 1-3\/4 in Bottoming Tap DWT Series - Re-threads to Hole","description":"\u003cp\u003eIn this review of the Drill America DWT Series 1-3\/4 in carbon steel bottoming tap, the bottom line is simple: this single bottoming tap is aimed at machinists and maintenance techs who need to restore or complete threads at the very bottom of a blind hole. The reviewer found it most valuable when re-threading damaged or jammed threads and when finalizing threads begun by taper or plug taps. For those working with mild steels or aluminum and preferring a straightforward, uncoated tool, this bottoming tap delivers utility without frills.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottoming style:\u003c\/strong\u003e Generates full thread to the bottom of a blind hole so repairs or final thread passes reach the hole base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon steel construction:\u003c\/strong\u003e Suited for mild steel and general shop materials, offering good sharpness and straightforward performance for hand or power tapping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight flute design:\u003c\/strong\u003e Allows chips to collect in the flutes for most shallow-cut applications, reducing clogging during re-threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncoated tool:\u003c\/strong\u003e Provides the base substrate without coatings, making it a cost-effective option for common metals and rework tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-threading focus:\u003c\/strong\u003e Specifically used to re-thread damaged or jammed threads, making it useful for repair and maintenance operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis bottoming tap is best for shop mechanics, maintenance crews, and hobby machinists who regularly repair damaged threads or need to finish threads at the bottom of blind holes. It is particularly useful when paired with taper and plug taps in a set workflow where the taper starts the thread, the plug follows, and the bottoming tap completes to the base.\u003c\/p\u003e\n\n\u003cp\u003eIt is not intended for hard alloy steels or applications demanding specialized coatings for extended life under high heat or abrasive conditions. Users who require coated or high-speed steel taps for heavy production runs should consider other options.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value for routine re-threading and light shop use.\u003c\/li\u003e\n\u003cli\u003eSharp cutting edge and straightforward geometry make it effective in aluminum and mild steel.\u003c\/li\u003e\n\u003cli\u003eStraight flutes handle chip evacuation well in shallow cuts and rework situations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon steel and uncoated finish limit durability in hard or high-production environments compared to coated or HSS taps.\u003c\/li\u003e\n\u003cli\u003eSome users report occasional breakage under heavy or repeated use, so careful feed and alignment are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003e1-3\/4 in Bottoming Tap, DWT Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eBottoming (generates thread to bottom of hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlute type\u003c\/td\u003e\n\u003ctd\u003eStraight flute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eUncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary use\u003c\/td\u003e\n\u003ctd\u003eRe-thread damaged or jammed threads; thread mild steels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Drill America 1-3\/4 in bottoming tap is a practical, no-frills choice for technicians who need to finish or repair threads at the bottom of blind holes. It offers good sharpness and value for light to moderate use in mild steels and aluminum, but those needing higher durability for heavy production should opt for coated or HSS alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this tap be used to re-thread damaged threads?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for re-threading damaged or jammed threads and to complete threads to the bottom of holes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tap suitable for hard steels?\u003c\/strong\u003e\u003cbr\u003eNo, carbon steel uncoated taps are best for mild steels and softer materials; use HSS or coated taps for harder alloys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used under power?\u003c\/strong\u003e\u003cbr\u003eYes, hand taps like this are versatile for hand use or light power tapping when properly aligned and fed.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48263615938779,"sku":"B00FXK579Q","price":46.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61NN36fgc_L._SL1500_168ff70e-615c-4159-ae19-51ea5b8bcd0a.jpg?v=1778240498","url":"https:\/\/gearmusthave.com\/products\/drill-america-1-3-4-in-bottoming-tap-dwt-series-re-threads-to-hole","provider":"GearMustHave","version":"1.0","type":"link"}