{"product_id":"helicoil-m8-x-1-25-thread-repair-kit-12-inserts-with-tap-installation-tool-carded-pack","title":"Helicoil M8 x 1.25 Thread Repair Kit — 12 Inserts with Tap \u0026 Installation Tool, Carded Pack","description":"\u003cstrong\u003eHeli-Coil 5546-8 M8 x 1.25 Thread Repair Kit is a ready-to-use set for restoring stripped or damaged M8 x 1.25 metric coarse threads using 12 wire-thread inserts, a dedicated tap, and an installation tool.\u003c\/strong\u003e\n\n\u003cp\u003eThis kit bundles the essential components to repair worn or damaged tapped holes in machinery, automotive parts, and industrial assemblies. Designed for users who need a reliable thread restoration solution without sourcing individual parts, the package arrives carded and includes step-by-step instructions so you can complete repairs quickly and consistently.\u003c\/p\u003e\n\n\u003ch3\u003eWhat comes in the M8 x 1.25 repair kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies everything required to cut a new thread and install a stainless-style wire insert sized for M8 x 1.25 threads. Parts are selected to match the Helicoil standard process and are packaged for single-kit convenience.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12 pre-sized Helicoil wire-thread inserts for M8 x 1.25\u003c\/li\u003e\n  \u003cli\u003eA dedicated tap sized to prepare the hole for the insert\u003c\/li\u003e\n  \u003cli\u003eAn installation tool to seat the insert to the correct depth\u003c\/li\u003e\n  \u003cli\u003ePrinted installation instructions included in the carded pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the kit to repair a stripped hole?\u003c\/h3\u003e\n\u003cp\u003eFollow the included instructions: drill or ream (if required), tap the hole with the supplied tap, and then screw in the wire insert using the installation tool until it seats flush. The process restores a standard M8 x 1.25 thread without needing custom machining.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect and prepare the hole (clean and remove debris)\u003c\/li\u003e\n  \u003cli\u003eUse the supplied tap to recut the threads to the correct profile\u003c\/li\u003e\n  \u003cli\u003eInstall the insert with the tool, then break or remove the tang per instructions\u003c\/li\u003e\n  \u003cli\u003eVerify fit with an M8 x 1.25 bolt before final assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and performance should I expect?\u003c\/h3\u003e\n\u003cp\u003eHeli-Coil inserts are made from high-quality, wear-resistant material chosen to provide consistent thread engagement and long life under normal mechanical loads. The kit’s tap and installer are sized specifically for the inserts to ensure clean cuts and correct seating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInserts resist galling and provide uniform thread contact\u003c\/li\u003e\n  \u003cli\u003eTap matches insert geometry for proper fit-up\u003c\/li\u003e\n  \u003cli\u003eSuitable for many metals and common repair scenarios\u003c\/li\u003e\n  \u003cli\u003eCarded packaging protects components and keeps instructions accessible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit work for my application?\u003c\/h3\u003e\n\u003cp\u003eIf your damaged fastener opening originally used an M8 x 1.25 coarse thread, this kit is engineered to restore that common size without altering mating hardware. It is intended for mechanical, automotive, and light industrial uses; evaluate the operating environment and load to ensure wire-thread inserts meet your requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for standard M8 x 1.25 (coarse) threads\u003c\/li\u003e\n  \u003cli\u003eIdeal for stripped bolt holes in engine blocks, housings, and brackets\u003c\/li\u003e\n  \u003cli\u003eNot for specialized high-temperature or high-corrosion environments unless matching material specifications\u003c\/li\u003e\n  \u003cli\u003eCheck bolt length and material compatibility before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Heli-Coil 5546-8 kit is aimed at mechanics, maintenance technicians, fabricators, and DIY enthusiasts who need a compact, all-in-one solution to repair stripped M8 x 1.25 threads. It suits workshops and field crews who value repeatable results, straightforward instructions, and the convenience of a single, carded package that contains inserts, a tap, and the required installation tool.\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: How many inserts are in the Heli-Coil 5546-8 kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 12 M8 x 1.25 wire-thread inserts along with a tap, installation tool, and instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this kit on aluminum parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is suitable for repairing tapped holes in aluminum and many common metals; confirm insert material compatibility for your environment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Helicoil","offers":[{"title":"Default Title","offer_id":48082974900382,"sku":"B0002SREP4","price":62.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/helicoil-m8x1-25-front-package.jpg?v=1785821249","url":"https:\/\/northtrailauto.ca\/products\/helicoil-m8-x-1-25-thread-repair-kit-12-inserts-with-tap-installation-tool-carded-pack","provider":"North Trail Auto","version":"1.0","type":"link"}