{"product_id":"drill-america-1-1-4-12-left-hand-bottoming-tap-re-thread-repair","title":"Drill America 1-1\/4-12 Left Hand Bottoming Tap - Re-thread \u0026 Repair","description":"\u003cp\u003eIn this review of the Drill America 1-1\/4-12 Left Hand Bottoming Tap the bottom line is simple: this tool is for machinists and hobbyists who need a dedicated left hand, bottoming tap for re-threading or creating threads to the bottom of blind holes. It is most useful when working with materials like brass or for backing out jammed threaded parts because the left hand cut can help reverse seized fasteners. The review focuses on real-world workability, noting sharp thread geometry and general value while also flagging durability reports from some buyers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft hand cut:\u003c\/strong\u003e Useful for reversing seized or jammed fasteners and for creating reverse-threaded connections where required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottoming tap style:\u003c\/strong\u003e Designed to generate full threads to the bottom of blind holes so you do not need to compromise on thread length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh speed steel:\u003c\/strong\u003e Provides versatility for hand tapping or light power tapping while maintaining sharpness on initial cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncoated finish:\u003c\/strong\u003e The raw substrate is suitable across a range of materials and avoids issues some coatings can introduce in delicate applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle pack convenience:\u003c\/strong\u003e Sold as one bottoming tap, ideal when you only need the final-thread tool for repair or finishing work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tap suits professional machinists, maintenance techs, and serious hobbyists who frequently work with threaded repairs or need reverse-threaded solutions. It is particularly handy when dealing with brass and other softer metals where the sharp thread profile can cut cleanly.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include operators who need a full three-piece tap set for starting and progressing threads, or anyone requiring a coated or specialty alloy tap for higher heat or abrasive environments. If durability under heavy production loads is the top priority, consider hardened or coated alternatives designed for extended life.\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\u003eWorks well for re-threading and bottom-of-hole thread generation where a left hand reverse cut is required.\u003c\/li\u003e\n\u003cli\u003eSharp thread geometry gives clean cuts in materials like brass, improving finish and fit.\u003c\/li\u003e\n\u003cli\u003eHigh speed steel makes it versatile for hand use and light power tapping without overheating quickly.\u003c\/li\u003e\n\u003cli\u003eUncoated tool is broadly compatible across many common workpiece 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 customers reported breakage on first use, indicating this may not be ideal for heavy-handed or high-volume production without careful technique.\u003c\/li\u003e\n\u003cli\u003eSold as a single bottoming tap, so you will need taper and plug taps separately to start difficult threads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eLeft hand bottoming tap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread size\u003c\/td\u003e\n\u003ctd\u003e1-1\/4-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut\u003c\/td\u003e\n\u003ctd\u003eLeft hand (reverse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh speed steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eUncoated (base substrate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e1 bottoming tap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Drill America 1-1\/4-12 Left Hand Bottoming Tap is a sensible, cost-effective pick for users who need a dedicated reverse bottoming tap for repairs or finishing threads in blind holes. It delivers sharp cutting and good workability in softer metals, making it good value for anyone who understands its intended role and handles it with appropriate technique.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this tap be used by hand?\u003c\/strong\u003e\u003cbr\u003eYes, the high speed steel construction makes it suitable for hand tapping and light power tapping applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tap coated for extra durability?\u003c\/strong\u003e\u003cbr\u003eNo, it is uncoated and supplied as the base HSS substrate, which is versatile but not optimized for extreme wear or heat resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the pack include taper and plug taps?\u003c\/strong\u003e\u003cbr\u003eNo, this listing is a single bottoming tap; a full set would include taper and plug styles sold separately or as a set.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48629425144027,"sku":"B01BOGWUKG","price":147.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51r23-7NhgL._SL1280.jpg?v=1778520148","url":"https:\/\/gearmusthave.com\/products\/drill-america-1-1-4-12-left-hand-bottoming-tap-re-thread-repair","provider":"GearMustHave","version":"1.0","type":"link"}