Super Cool Knurled Brass Hot Melt Insert Nuts For Heavy Duty Plastic Screw Fixing! These Solid Threaded Inserts Rock With High Torque Strength And Durability. Grab 20 Pieces Of Quality Brass Hardware In Various Sizes Like M3 For Awesome DIY Projects And

Knurled Brass Hot Melt Insert Nuts For Plastic Repair
✔️ M3 brass inserts 20 pack heavy duty plastic repair fix

These knurled threaded nuts embed securely into plastic workpieces during heating. They provide a strong metal screw anchor common in electronics assembly and custom fabrication tasks. Useful for makers and industry pros needing durable connections.

✅ M3 size threaded insert for small screws
✅ Pack contains 20 individual brass pieces
✅ Knurled edge grips plastic firmly inside
✅ Resistant to corrosion and high pressure

💡 Why are threaded inserts better than self tapping threads?
They create stronger holding power in soft materials.
- Harder plastic surfaces require reinforced anchors
- Heat melting locks nut position permanently
- Higher torque capacity prevents pulling out easily