Knurled Threaded Inserts Pack For DIY Projects 50 Or 100pcs M1.6 M2 M2.5 M3 M4 Solid Brass Copper Embedding Nuts For Hot Melt Injection Molding High-Precision Threading And Easy Install For Strong, Garage-Ready Joints

Brass Knurled Threaded Inserts Pack (50/100pcs) for DIY
✔️ 50 or 100 pcs, M1.6-M4, solid brass knurled inserts

These knurled threaded inserts are solid brass nuts designed to embed into plastic via hot melt injection molding or ultrasonic heating, delivering strong, repair-friendly threads for 3D printed parts, electronics housings, and other plastic assemblies.

✅ 50 pcs or 100 pcs per pack for value
✅ Thread sizes: M1.6, M2, M2.5, M3, M4
✅ Material: solid brass for durability and corrosion resistance
✅ Knurling: double twill knurled thread for secure embedding in plastic

💡 What is a knurled threaded insert used for in plastic assemblies? A handy way to add durable, repairable threads to plastic parts like 3D printed boxes and electronics housings.
- High-precision threading for reliable joints
- Embedding via heat or ultrasonic methods
- Compatible sizes M1.6 to M4

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