M4 Brass Heat Set Insert Nut 100/200PCS Hot Melt Embedment Thread Inserts for 3D Printer, Plastic Parts & DIY Molding

M4 Brass Hot Melt Insert Nut 100/200PCS Knurled Thread Inserts for Heat Press, Injection Molding, 3D Printing & Plastic Assembly

✨ Core Selling Points

1 Premium Brass Material, Durable & Long-Lasting
High-purity brass, corrosion-resistant and rust-proof, ideal for long-term use.

2 Double Helix Knurling Design, Stronger Grip

Resists loosening after heat-set or injection molding, ensuring superior pull-out strength.

3 Standard M4 Thread, High Compatibility

Precision thread fits most M4 screws, perfect for 3D printing and plastic parts.

4 Flexible Quantity Options, Bulk-Friendly

Available in 100-200PCS packs, suitable for both DIY projects and industrial assembly.

5 Easy Installation, Multi-Process Compatibility
Works with heat-set, hot press, or injection molding methods, easy for beginners to use.

✅ High-purity brass, rust-resistant and durable
✅ Double helix knurling for a secure hold
✅ Standard M4 thread, widely compatible
✅ 100/200PCS packs, cost-effective bulk purchase
✅ Easy installation, fits multiple processes