{"product_id":"zomiyu-m8x1-25-thread-repair-kit-10-pcs-11-7mm-one-piece-304-stainless-inserts-complete-tool-set","title":"ZOMIYU M8x1.25 Thread Repair Kit (10 pcs, 11.7mm) — One-Piece 304 Stainless Inserts, Complete Tool Set","description":"\u003cp\u003e\u003cstrong\u003eZOMIYU M8x1.25 Metric Thread Repair Kit restores damaged M8 x 1.25 female threads using ten one-piece 304 stainless steel inserts (11.7mm) and all tools needed for a shop-quality repair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf bolt holes in engine blocks, transmission cases, motorcycles, ATVs, or bicycle frames have been stripped or worn, this kit gives you a durable alternative to fragile wire coils. Designed specifically for the M8 x 1.25 thread pitch and featuring longer 11.7mm solid inserts, the set is built to withstand repeated fastening cycles and corrosive environments. It arrives as a complete package—drill bit, counterbore, tap, installation driver, and ten solid inserts—so you can move from prep to installation without hunting down extra tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow is this kit different from traditional coil inserts?\u003c\/h3\u003e\n\u003cp\u003eThe ZOMIYU kit uses one-piece, solid 304 stainless steel inserts instead of helically wound wire coils. That solid form eliminates unraveling and improves load distribution across the repaired thread, making it a better fit for higher-stress connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-piece 304 stainless construction resists corrosion and deformation\u003c\/li\u003e\n  \u003cli\u003eSolid body reduces the risk of thread misalignment or unraveling\u003c\/li\u003e\n  \u003cli\u003eLonger 11.7mm insert length increases thread engagement and strength\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for M8 x 1.25 applications where durability matters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools are included and how do I use them?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains everything required to complete a repair: an HSS drill bit for correct hole sizing, a precision counterbore to seat the insert flange, an HSS tap to cut new threads, an installation driver for secure seating, and ten inserts. Installation follows a straightforward Drill–Tap–Install sequence and works with both hand tools and power tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHSS drill bit for accurate hole preparation\u003c\/li\u003e\n  \u003cli\u003ePrecision counterbore to machine a recess for the insert flange\u003c\/li\u003e\n  \u003cli\u003eHSS tap to create the new M8 x 1.25 internal thread\u003c\/li\u003e\n  \u003cli\u003eInstallation driver to seat each 11.7mm insert flush or below surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials and applications are supported?\u003c\/h3\u003e\n\u003cp\u003eThese solid inserts restore female threads in softer metals and common engineering alloys. They are suitable wherever M8 x 1.25 fasteners are used and where thread integrity is critical, such as engine or suspension components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks on aluminum, steel, iron, and other soft to medium-hard metals\u003c\/li\u003e\n  \u003cli\u003eCommon uses: engine blocks, transmission housings, ATV\/UTV parts, motorcycles\u003c\/li\u003e\n  \u003cli\u003eAlso applicable to high-precision bicycle frames and structural assemblies\u003c\/li\u003e\n  \u003cli\u003eRecommended for repairs where repeated assembly and torque are expected\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there installation tips to ensure a lasting repair?\u003c\/h3\u003e\n\u003cp\u003eSmall preparation steps greatly extend the life of the repair. Use a suitable threadlocker on mating screws to reduce the chance of insert loosening during repeated disassembly, and monitor the counterbore depth to avoid over-machining edges that seal fluids.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply threadlocker to fastener threads before seating to prevent loosening\u003c\/li\u003e\n  \u003cli\u003eCheck counterbore depth frequently to avoid creating oil-leak paths\u003c\/li\u003e\n  \u003cli\u003eUse light cutting oil with the HSS tap for cleaner threads and longer tool life\u003c\/li\u003e\n  \u003cli\u003eTest-fit inserts on scrap material if unsure about torque or seating depth\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ZOMIYU M8x1.25 repair kit is intended for mechanics, maintenance technicians, and experienced DIYers who need a permanent, corrosion-resistant repair for stripped M8 x 1.25 female threads. If you work with engines, transmissions, motorcycles, ATVs, or precision bicycle assemblies and require robust thread restoration without sourcing multiple parts, this all-in-one kit supplies the inserts and the correct tools to complete professional-grade repairs.\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 the kit repair threads in aluminum engine blocks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The one-piece 304 stainless inserts are designed to restore M8x1.25 threads in aluminum and similar soft metals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the set include everything I need to install an insert?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It contains an HSS drill bit, precision counterbore, HSS tap, installation driver, and ten 11.7mm inserts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZOMIYU","offers":[{"title":"Default Title","offer_id":48080780853406,"sku":"B0GRYS3VWV","price":124.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/zomiyu-front-packaging-m8x1.25-kit.jpg?v=1785787041","url":"https:\/\/northtrailauto.ca\/products\/zomiyu-m8x1-25-thread-repair-kit-10-pcs-11-7mm-one-piece-304-stainless-inserts-complete-tool-set","provider":"North Trail Auto","version":"1.0","type":"link"}