Heavy Duty Pro Grade Threaded Insert And Bolt Kit For Industrial 3D Printing Projects 200 Pcs Includes 100 Pcs Brass M3 M4 Heat Set Inserts And 100 Pcs Stainless Steel Black Bolts For Secure Fastening

Heavy Duty Threaded Inserts and Bolt Kit for 3D Printing
✔️ Includes 80 M3 inserts, 20 M4 inserts, and 100 bolts (200 total)

This all-in-one kit provides ready-to-use heat-set threaded inserts and matching bolts crafted for sturdy, lasting joints in 3D printed parts. It’s a handy choice for hobbyists, makers, and small production runs, especially when reinforcing enclosures, models, and accessories.

✅ 80 M3 inserts and 20 M4 inserts for strong threads in plastic
✅ 100 black stainless bolts (80 M3, 20 M4) for secure fastening
✅ Brass heat-set inserts offer good wear resistance
✅ 304 stainless bolts resist corrosion in tough environments
✅ Simple heat-set installation: heat, seat inserts, then tighten bolts
✅ 4-grid storage box keeps all parts organized
✅ Includes M3 and M4 sizes suitable for common 3D prints

💡 What is a heat-set threaded insert kit used for in 3D printed assemblies?

A handy way to add durable metal threads to plastic parts, improving strength and longevity. - Strong, reusable threads in enclosures and fixtures - Easy field repair of stripped threads in printed parts - Works with common M3 and M4 hardware for hobby projects - Great for prototyping and durable 3D printed assemblies