{"product_id":"stainless-steel-thread-repair-insert-set-m3-m12-wire-screw-sleeve","title":"Stainless Steel Thread Repair Insert Set M3–M12 | 60–300 Pcs","description":"\n\u003ch2\u003eRestore Stripped Threads Fast with Premium Stainless Steel Wire Thread Inserts\u003c\/h2\u003e\n\u003cp\u003eKeep every threaded connection tight and long-lasting with this comprehensive \u003cstrong\u003eStainless Steel Wire Thread Repair Insert Set\u003c\/strong\u003e. Whether you're working on automotive components, machinery, electronics housings, or general metalwork, these precision-wound coil inserts rebuild damaged or worn threads to their original — or even stronger — specification. The set covers a wide range of thread sizes from \u003cstrong\u003eM3 to M12\u003c\/strong\u003e, making it an indispensable addition to any workshop or toolbox.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose These Thread Repair Inserts?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Stainless Steel Construction:\u003c\/strong\u003e High-grade stainless steel wire provides outstanding corrosion resistance, durability, and long service life in demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Size Range (M3–M12):\u003c\/strong\u003e One kit covers a broad spectrum of metric thread sizes, eliminating the need for multiple separate purchases.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60 to 300 Pieces Per Set:\u003c\/strong\u003e Generous quantity options mean you'll always have the right insert on hand for the job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Thread Profile:\u003c\/strong\u003e Each insert is manufactured to exact metric thread standards, ensuring smooth engagement and a secure, vibration-resistant fit after installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for use in aluminum, cast iron, magnesium, plastics, and other materials where threads need reinforcement or restoration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganized Storage Box Included:\u003c\/strong\u003e Inserts are sorted and stored in a clearly labeled compartment box for easy access and clutter-free storage on your workbench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Sizes:\u003c\/strong\u003e M3, M4, M5, M6, M8, M10, M12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 60–300 pieces (set dependent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wire Thread Repair Inserts \/ Screw Sleeves \/ Thread Protective Sleeves\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Organized compartment box included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive and motorcycle repair\u003c\/li\u003e\n  \u003cli\u003eMachine and equipment maintenance\u003c\/li\u003e\n  \u003cli\u003eWoodworking and furniture assembly\u003c\/li\u003e\n  \u003cli\u003eElectronics and appliance repair\u003c\/li\u003e\n  \u003cli\u003eDIY home improvement projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories Anti-Loosening Left Hand Thread Replacement Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1000d-tactical-edc-bag-military-ammo-pouch-hunting-wash-bag-dump-pouch-portable-tool-storage-handbag-compatible-military-utility\"\u003e1000D Tactical EDC Bag Military Utility Tool Storage Handbag\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes are included in the stainless steel thread repair insert set?\u003c\/h4\u003e\n\u003cp\u003eA: The set covers metric thread sizes from M3 through M12, including M3, M4, M5, M6, M8, M10, and M12. This wide range makes it suitable for most common metric threaded fastener applications in automotive, machinery, and DIY projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials can these thread repair inserts be used in?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel wire thread inserts are compatible with a wide variety of base materials, including aluminum, cast iron, magnesium alloys, hard plastics, and other metals. They are especially useful for restoring stripped threads in softer materials that are prone to wear.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install the thread repair inserts?\u003c\/h4\u003e\n\u003cp\u003eA: Installation requires a thread repair installation tool (tang break-off tool or installation mandrel, sold separately). First, drill out the damaged hole to the correct tap size, re-tap with the appropriate thread repair tap, then wind in the insert using the installation tool until it sits just below the surface. The tang is then broken off flush to complete the installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the inserts corrosion-resistant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. These inserts are crafted from high-grade stainless steel, which provides excellent resistance to rust, corrosion, and high-temperature environments, making them ideal for both indoor and outdoor applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread sizes are included in the stainless steel thread repair insert set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The set covers metric thread sizes from M3 through M12, including M3, M4, M5, M6, M8, M10, and M12. 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