Stainless Steel 1/4-20 Helical Thread Inserts 25 Pack For Repairing Stripped Threads In Metal Wood And Plastic Heavy Duty 304 Stainless Coil Wire Repair Inserts

Heavy-Duty 1/4-20 Stainless Helical Thread Inserts, 25 Pack
✔️ 7.8 mm outer dia / 0.31 in, 1/4-20 inner thread, 25 pcs set

These heavy-duty 304 stainless steel coil thread inserts are designed to repair stripped or damaged threads in metal, wood, and plastic. They provide a durable, reusable threaded bore for screws in a wide range of repair and assembly projects, from machinery to 3D-printed parts.

✅ Outer thread diameter: 7.8 mm / 0.31 in
✅ Inner thread size: 1/4-20
✅ Material: 304 stainless steel
✅ Weight: 33 g
✅ Number of turns: 8.6
✅ Package: 25 pcs

💡 What is a long-tail question about thread inserts for repair?

These handy inserts restore damaged threads in metal, wood, or plastic by forming a strong, durable bore for screws.

- Restores damaged threads with a durable, reusable bore - Works across metal, wood, and plastic repair scenarios - Simple installation: drill hole, insert coil, finish - Improves load capacity and reuse life of fasteners