100 Pieces M3 Brass Knurled Threaded Insert Nuts For 3D Printing Heat Set Inserts With Huge Pulling Power Self Clinching Internal Thread Nuts For Injection Molding PCBs

High-Strength M3 Brass Knurled Heat-Set Inserts 100pc Pack
✔️ Self-clinching brass inserts with high torque and 200 kg pull

These M3 brass knurled heat-set inserts are designed to add strong, threaded bosses in thermoplastics. They’re ideal for 3D printing projects, PCB mounting, electronics housings, and injection-molded parts, compatible with PLA, ABS, PETG, and more.

✅ Brass knurled self-clinching inserts for strong hold in plastics
✅ Spiral knurling provides high torque and pull resistance
✅ Up to 200 kg pulling capacity tested for reliability
✅ Heat-set compatible, M3 size for PLA, ABS, PETG, and more

💡 What is a heat-set brass knurled insert used for in thermoplastics?

These handy inserts create durable threaded holes in plastic parts for reliable joining.

- Handy for 3D printed parts and electronics enclosures
- Helps resist thread stripping under load in PLA, ABS, PETG, and similar
- Compatible with heat-set insertion and molding processes
✝️