84 Piece 304 Stainless Steel Wire Thread Inserts Helicoil Type Screw Repair Sleeve Kit With M3 M4 M5 M6 M8 M10 M12 Sizes In A Grid Case For Strong Durable Thread Repair On Metal And Plastic Projects

84-Piece 304 Stainless Thread Inserts Kit for M3 to M12
✔️ 84 pieces across M3, M4, M5, M6, M8, M10, M12 sizes

The wire thread inserts kit is a robust 84-piece set of 304 stainless steel helicoils designed to repair damaged threads in metal and plastic parts. It’s great for automotive, machinery, electronics, and general maintenance work, and comes in a grid case that keeps each size neatly organized.

✅ 7 sizes: M3, M4, M5, M6, M8, M10, M12; 84 pcs total
✅ Locking design secures screws and resists loosening
✅ 304 stainless steel offers rust resistance and high durability
✅ Deep threads with minimal wear, reusable for long life
✅ Grid case keeps sizes sorted and easy to grab
✅ Suitable for metal and plastic components in many assemblies

💡 What is a wire thread insert used for in metal and plastic work? Wire thread inserts, also known as helicoils, repair damaged threads and reinforce screw holes in a range of materials.
- Handy for repairing stripped threads after wear or cross-threading
- Improves load distribution and vibration resistance in assemblies
- Simple to install with standard tools and provide a durable fix
- Ideal for retrofits on engines, housings, and enclosures