--- product_id: 116793808 title: "Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer" price: "337.87 DT" currency: TND in_stock: true reviews_count: 13 url: https://www.desertcart.tn/products/116793808-metric-helicoil-thread-repair-kit-131-piece-heli-coil-hss store_origin: TN region: Tunisia --- # 131-piece pro-grade set durable steel carry case HSS drills & taps precision Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer **Price:** 337.87 DT **Availability:** βœ… In Stock ## Summary > πŸ”§ Fix it like a pro, every time β€” don’t let stripped threads slow you down! ## Quick Answers - **What is this?** Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - **How much does it cost?** 337.87 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/116793808-metric-helicoil-thread-repair-kit-131-piece-heli-coil-hss) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Organized On-the-Go:** Compact steel case keeps your toolkit ready wherever the job calls. - β€’ **Effortless Precision:** User-friendly design makes rethreading seamless for pros and DIYers alike. - β€’ **Pro-Grade Durability:** High-speed steel drills and taps engineered for long-lasting performance. - β€’ **Complete Thread Revival:** Restore stripped threads with 131 precision tools for M5 to M12 sizes. - β€’ **Versatile Automotive Essential:** Perfect for spark plugs, engine bolts, and universal thread repairs. ## Overview The Metric Helicoil Thread Repair Kit is a premium 131-piece set featuring high-speed steel drills, taps, and inserts designed to restore stripped or damaged internal threads from M5 to M12 sizes. Ideal for automotive and engine repairs, it combines professional-grade durability with user-friendly tools, all housed in a rugged steel carrying case for ultimate portability and organization. ## Description Buy Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer: Metric Inserts & Kits - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Nice kit! - Very nice kit for the price. Review: Great value - Can’t beat the complain Quantity and quality is good ## Features - STRONG & DURABLE - Engineered for robust performance, this helicoil set ensures the effective restoration and replacement of stripped or damaged internal screw threads, guaranteeing long-lasting results for bolt, motor plug, and spark applications. - EFFORTLESS USAGE - User-friendly design makes this metric thread repair kit a must-have for both amateurs and professionals. With easy-to-use tools like tap wrenches and bit cylinder insertion, rethreading has never been so simple. - ALL-INCLUSIVE TOOLKIT - Our Premium 131-Piece Thread Repair Kit offers a wide range of professional-quality tools, including HSS drills, taps, heli coil inserts, and chaser tools, ideal for automotive and engine repairs. - VERSATILE UTILITY - This universal installation kit is perfect for various repair tasks. Whether you're dealing with external restorer screws, sleeve cleaners, or spark plug rethreading, this kit has you covered. - CONVENIENT STORAGE - Take your organized set wherever you go. The entire thread repair kit comes in a durable steel carrying case, making tool transport and storage a breeze, right down to the last rethread stripped wrench. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07MZQK1HP | | Best Sellers Rank | #2,730 in Automotive (See Top 100 in Automotive) #2 in Thread Metric Inserts & Repair Kits | | Brand | SEDY | | Customer Reviews | 4.5 4.5 out of 5 stars (1,147) 4.5 out of 5 stars | | Date First Available | January 21, 2019 | | Item Model Number | 13 | | Item Weight | 4.71 pounds | | Manufacturer | SEDY | | Manufacturer Part Number | T97381 | | Model | T97381 | | Product Dimensions | 15 x 1.6 x 7.9 inches | ## Images ![Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Image 1](https://m.media-amazon.com/images/I/819VflOBgpL.jpg) ![Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Image 2](https://m.media-amazon.com/images/I/719F2k3f2oL.jpg) ![Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Image 3](https://m.media-amazon.com/images/I/81DYfCRfZgL.jpg) ![Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Image 4](https://m.media-amazon.com/images/I/81z07dscS-L.jpg) ![Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Image 5](https://m.media-amazon.com/images/I/81XAJ8E68hL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: how can i tell if this old do a standard motorcycle spark plug hole 250 cc yamaha motor** A: You need to find the thread diameter size of your spark plug. Look up what NGK plug will work for your bike and then check this site: https://www.math.uwaterloo.ca/~rblander/NGK.txt Field one of the NGK code is thread diameter size. Then get the appropriate helicoil kit. Remove the head before drilling out and repairing the threads or you will get metal shavings in your cylinder and ruin your engine. **Q: is Inserts stainless steel or steel ?** A: They are made from Chrome Vanadium Steel. I’ve used my set several times now and it’s a decent quality kit. **Q: Can you supply me with a kit for my stihl chainsaw ms 251 spark plug ?? plug # ngk cmr6h !!** A: No, I purchased this product, this is not how you contact the seller. **Q: Are the Helicoil made out of Stainless steel?** A: chrome vanadium, like many hand tools, such as wrenches. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice kit! *by J***R on September 5, 2026* Very nice kit for the price. ### ⭐⭐⭐⭐⭐ Great value *by J***N on August 19, 2026* Can’t beat the complain Quantity and quality is good ### ⭐⭐⭐⭐⭐ Must have *by I***R on August 10, 2026* This kit helped a lot ## Frequently Bought Together - Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer - Bestgle 2Pcs Ratchet T Handle Tap Wrench, Adjustable T Bar Handle Holder Ratcheting Wrench for Metric M3-M8 / M5-M12 Thread Screw Taps - Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/116793808-metric-helicoil-thread-repair-kit-131-piece-heli-coil-hss](https://www.desertcart.tn/products/116793808-metric-helicoil-thread-repair-kit-131-piece-heli-coil-hss) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-21*