{"product_id":"bilitools-m12x1-5-thread-repair-kit","title":"BILITOOLS M12x1.5 Thread Repair Kit","description":"\u003cp\u003e\u003cstrong\u003eBILITOOLS M12x1.5 Thread Repair Kit is a complete Helicoil-style repair set that restores stripped M12x1.5 internal threads and installs durable 304 stainless steel inserts for long-lasting strength.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an important bolt hole is damaged, replacing the part or welding and re-tapping can be costly and time-consuming. This BILITOOLS kit gives you the parts and tools to repair stripped or worn M12x1.5 threads quickly using high-speed steel (HSS) drills, a purpose-made tap, stainless steel coil inserts, and installation and break-off tools. Everything arrives neatly organized in a compact iron case so you can carry the kit to the job and keep small components secure between jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit restore a stripped M12x1.5 thread?\u003c\/h3\u003e\n\u003cp\u003eFirst, you re-drill the damaged hole to the correct oversize using the included HSS drill bit. Next, use the supplied tap to cut new threads sized for the stainless coil insert. Finally, wind the 304 stainless insert into place with the installer and snap off the tang with the break pin tool, leaving a new, full-strength internal thread.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHSS drill with 135° apex for efficient metal cutting.\u003c\/li\u003e\n  \u003cli\u003eThread tap sized for insert seating and correct pitch engagement.\u003c\/li\u003e\n  \u003cli\u003e304 stainless steel inserts provide corrosion resistance and higher torque capacity.\u003c\/li\u003e\n  \u003cli\u003eInstaller and break pin tool for clean, repeatable installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and applications is the kit suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed to work across a wide range of base materials including soft metals, harder alloys, composites and many polymers. That versatility makes it suitable for common automotive repair tasks, plumbing fittings, machinery maintenance, and general fabrication work where internal threads have been stripped or worn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks on aluminum, cast iron, steel, brass, composites, and plastics.\u003c\/li\u003e\n  \u003cli\u003eUseful for engine blocks, transmission housings, manifolds, and plumbing fixtures.\u003c\/li\u003e\n  \u003cli\u003e304 stainless inserts reduce galling and extend thread life in corrosive environments.\u003c\/li\u003e\n  \u003cli\u003eHandy for field repairs or workshop maintenance where part replacement is impractical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and parts are included and how are they organized?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains a complete sequence of tools to complete an M12x1.5 Helicoil-style repair: drill, tap, multiple 304 stainless inserts, installation driver, and break pin removal tool. All components are housed in a durable iron case with molded compartments so small inserts and pins stay organized and are easy to find on the job.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHSS drill bit optimized for aggressive cutting and chip clearance.\u003c\/li\u003e\n  \u003cli\u003eTap manufactured to match insert outer thread geometry for precise fit.\u003c\/li\u003e\n  \u003cli\u003eSet of 304 stainless inserts to re-establish thread engagement and torque capacity.\u003c\/li\u003e\n  \u003cli\u003eInstallation tool and break-off tool for quick, repeatable installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich measurements should you confirm before buying?\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, verify that the damaged thread is M12x1.5 (12 mm diameter with 1.5 mm pitch). If the size is uncertain, consult the product images that illustrate insert dimensions and application or measure the bolt that originally fit the hole. Choosing the correct size is essential to ensure the insert seats properly and the repair performs reliably.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm nominal thread diameter: M12, pitch: 1.5 mm.\u003c\/li\u003e\n  \u003cli\u003eCheck the bolt or mating part for thread compatibility before ordering.\u003c\/li\u003e\n  \u003cli\u003eRefer to the included sizing diagram (see image 6) if unsure of measurement.\u003c\/li\u003e\n  \u003cli\u003eContact support if you need help identifying the correct kit size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BILITOOLS M12x1.5 Thread Repair Kit suits mechanics, fabricators, plumbers, and DIYers who need a portable, professional-grade solution for restoring stripped internal threads without replacing parts. It’s ideal when repairs must be completed cleanly and quickly with components that resist corrosion and allow higher torque in weakened base materials.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this kit repair threads in aluminum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit works on aluminum and other soft metals; stainless inserts increase thread strength and resist galling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include all tools needed for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes HSS drill, tap, 304 stainless inserts, installer, break pin tool, and an iron storage case.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BILITOOLS","offers":[{"title":"Default Title","offer_id":48087611310238,"sku":"B09WN5JKLM","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bilitools-front-case-open_1b5425df-d28d-4127-8f10-666f09762539.jpg?v=1785926691","url":"https:\/\/northtrailauto.ca\/products\/bilitools-m12x1-5-thread-repair-kit","provider":"North Trail Auto","version":"1.0","type":"link"}