{"product_id":"kungjuer-helicoil-metric-thread-repair-insert-kit-m12x1-5mm","title":"KUNGJUER Helicoil Metric Thread Repair Insert Kit，M12x1.5mm","description":"\u003cp\u003e\u003cstrong\u003eThe KUNGJUER Helicoil M12x1.5 Thread Repair Insert Kit is a full repair set designed to restore stripped or damaged M12x1.5 internal threads quickly and create stronger, wear-resistant threads in soft metals.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit bundles the drill, tap, inserts, installation and break-off tools, hex wrench and storage case you need to repair M12 threads on engines, brackets, housings and other automotive or light-industrial components. Parts are sized for M12x1.5 rethreading and are intended for use in materials like aluminum, iron, carbon steel, bronze and magnesium where original threads have become worn or damaged.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit rebuild a stripped M12x1.5 thread?\u003c\/h3\u003e\n\u003cp\u003eThe kit uses a helicoil-style stainless-steel insert that is installed into a slightly oversized pilot hole created by the supplied drill. After tapping the hole to accept the insert, the coil is wound in place to form a new internal thread profile that matches M12x1.5 fasteners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 12.4 mm twist drill to open the damaged hole\u003c\/li\u003e\n  \u003cli\u003eHSS screw tap cuts the correct internal thread for the coil\u003c\/li\u003e\n  \u003cli\u003eStainless steel helicoil inserts recreate a durable M12x1.5 thread\u003c\/li\u003e\n  \u003cli\u003eInstallation and break-off tools seat and trim the insert cleanly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and parts come in the kit and how do they help?\u003c\/h3\u003e\n\u003cp\u003eThe kit is packaged with every specialized tool needed for one or multiple M12 repairs, so you won’t need to source extras. Each component is sized and marked for easy identification, and the tools are built for repeatable, safe rethreading work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 twist drill and 1 HSS screw tap for hole prep and thread cutting\u003c\/li\u003e\n  \u003cli\u003e10 stainless-steel helicoil inserts sized M12x1.5 for repeated repairs\u003c\/li\u003e\n  \u003cli\u003eInstallation tool and breaking pin to seat and finish each insert\u003c\/li\u003e\n  \u003cli\u003eHex wrench, ergonomic handle, and compact iron storage box for organization\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials and applications are suitable for these inserts?\u003c\/h3\u003e\n\u003cp\u003eThe helicoil insert system is especially useful in softer or worn materials where original threads strip under load. Use it for engine blocks, aluminum housings, gearbox covers, and other components where restoring thread strength and fatigue life matters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for aluminum, iron, carbon steel, bronze and magnesium\u003c\/li\u003e\n  \u003cli\u003eCommonly used in automotive, motor repair, machinery and maintenance\u003c\/li\u003e\n  \u003cli\u003eCreates a stronger internal thread than the worn native material\u003c\/li\u003e\n  \u003cli\u003eProtects tapped threads from future wear and repeated bolt changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is the kit to use for a DIY repair or a professional shop?\u003c\/h3\u003e\n\u003cp\u003eComponents are engineered for straightforward, repeatable installation: the 135° drill clears the hole quickly, the HSS tap offers precise thread cutting, and the installation tool ensures consistent seating. The engraved tools and compact case speed workflow and reduce errors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrill and tap have engraved size marks for quick identification\u003c\/li\u003e\n  \u003cli\u003eErgonomic rubber handle improves grip during hand operations\u003c\/li\u003e\n  \u003cli\u003eIron storage box keeps all pieces secure and portable between jobs\u003c\/li\u003e\n  \u003cli\u003eTen inserts let you perform multiple repairs without restocking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis kit is intended for mechanics, maintenance technicians, hobbyists and anyone who needs to restore or strengthen M12x1.5 threads without replacing large parts. It’s practical for home garages and professional shops alike — ideal when a stripped thread would otherwise require expensive replacement of a component. Follow proper instructions and safety practices for drilling and tapping; the kit supplies the hardware and tools, while correct technique ensures a lasting repair.\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: Will this kit work on aluminum engine blocks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is designed to restore M12x1.5 threads in aluminum and other soft metals using stainless-steel helicoil inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many repairs can I do with one kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 10 inserts, so you can perform up to ten M12x1.5 thread repairs before needing more inserts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KUNGJUER","offers":[{"title":"Default Title","offer_id":48087702667422,"sku":"B0FMDMNDGP","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kungjuer-front-packaging_9727f601-9358-43ce-ac96-35dda15e83ff.jpg?v=1785929208","url":"https:\/\/northtrailauto.ca\/products\/kungjuer-helicoil-metric-thread-repair-insert-kit-m12x1-5mm","provider":"North Trail Auto","version":"1.0","type":"link"}