{"product_id":"metric-thread-repair-insert-kit-m5-m14-helicoil-tool-set","title":"15-Pc Metric Thread Repair Kit M5–M14 | Helicoil Insert Tool Set","description":"\n\u003ch2\u003eRestore Stripped Threads Like a Pro\u003c\/h2\u003e\n\u003cp\u003eDon't let a damaged or stripped bolt hole slow you down. This \u003cstrong\u003e15-piece metric thread repair insert kit\u003c\/strong\u003e gives you everything you need to fix stripped threads in soft metals quickly and permanently. Covering 11 thread sizes from \u003cstrong\u003eM5 to M14\u003c\/strong\u003e, it's the go-to solution for automotive mechanics, DIY enthusiasts, and professional workshops alike.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China from premium-grade steel, this kit delivers lasting reliability for demanding repair jobs.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Kit?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Thread Inserts (Helicoil-style)\u003c\/strong\u003e — create a stronger, wear-resistant internal thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Installation Tools\u003c\/strong\u003e — for precise, hassle-free fitment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Drill Bits\u003c\/strong\u003e — sized perfectly for each thread repair\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Taps\u003c\/strong\u003e — cut clean new threads ready for the inserts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLug Breaking Tools\u003c\/strong\u003e — snap off the installation tang cleanly after fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Thread Size Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eM5 × 0.8\u003c\/li\u003e\n  \u003cli\u003eM6 × 1.0\u003c\/li\u003e\n  \u003cli\u003eM8 × 1.25\u003c\/li\u003e\n  \u003cli\u003eM10 × 1.0 \/ 1.25 \/ 1.5\u003c\/li\u003e\n  \u003cli\u003eM12 × 1.25 \/ 1.5 \/ 1.75\u003c\/li\u003e\n  \u003cli\u003eM14 × 1.25 \/ 1.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eComplete all-in-one kit\u003c\/strong\u003e — no extra tools needed\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePremium steel construction\u003c\/strong\u003e — built for long-term durability\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eStrengthens repaired threads\u003c\/strong\u003e — often stronger than the original\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProtects against future wear\u003c\/strong\u003e — ideal for aluminium, cast iron \u0026amp; soft metals\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact storage case\u003c\/strong\u003e — portable and neatly organised\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e11 thread size options\u003c\/strong\u003e — covers the most common metric fastener sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Quantity (per size)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 inserts\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 options: M5×0.8 to M14×1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 × 12 × 3 cm (7.09 × 4.72 × 1.18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 g (15.52 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e1 × Metric Thread Repair Insert Kit (as shown)\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-abs-quick-connector-double-male-hose-coupling-adapter-set\"\u003e1\/2\" ABS Quick Connector Double Male Hose Coupling Adapter Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ppr-universal-water-pipe-tap-half-three-quarter-inch-alloy-steel\"\u003e1\/2\" \u0026amp; 3\/4\" PPR Water Pipe Tap | Alloy Steel Anti-Corrosion\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe tool use and workshop safety standards, visit the \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Hand \u0026amp; Power Tools Safety page\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What metals is this metric thread repair kit suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This thread repair insert kit is ideal for use in soft metals including aluminium, cast iron, magnesium alloy, and other materials commonly found in automotive engines and machinery. The steel wire inserts create a stronger thread than the original material.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this kit for automotive thread repair, such as spark plug holes or engine block threads?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This helicoil-style thread repair kit is widely used for automotive applications including spark plug threads, cylinder head bolts, and engine block repairs. It's compatible with M10 and M12 threads most commonly found in engines.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this kit include everything I need to complete a thread repair?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The kit includes wire thread inserts, installation tools, twist drill bits, thread taps, and lug breaking tools — everything required to complete a full thread repair from start to finish without needing additional equipment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I choose the right thread size from this kit?\u003c\/h4\u003e\n\u003cp\u003eA: Match the size marking (e.g. M10 × 1.5) to the bolt or fastener that originally fitted the damaged hole. If unsure, use a thread pitch gauge to measure the original thread before selecting your insert size. This kit covers 11 of the most common metric thread sizes.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What metals is this metric thread repair kit suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This thread repair insert kit is ideal for use in soft metals including aluminium, cast iron, magnesium alloy, and other materials commonly found in automotive engines and machinery. The steel wire inserts create a stronger thread than the original material.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this kit for automotive thread repair, such as spark plug holes or engine block threads?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This helicoil-style thread repair kit is widely used for automotive applications including spark plug threads, cylinder head bolts, and engine block repairs. It's compatible with M10 and M12 threads most commonly found in engines.\"}}, {\"@type\": \"Question\", \"name\": \"Does this kit include everything I need to complete a thread repair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The kit includes wire thread inserts, installation tools, twist drill bits, thread taps, and lug breaking tools — everything required to complete a full thread repair from start to finish without needing additional equipment.\"}}, {\"@type\": \"Question\", \"name\": \"How do I choose the right thread size from this kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Match the size marking (e.g. M10 × 1.5) to the bolt or fastener that originally fitted the damaged hole. If unsure, use a thread pitch gauge to measure the original thread before selecting your insert size. 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