300 Pcs Threaded Inserts Kit For Plastic And 3D Printing Includes Metric Sizes M2 M2.5 M3 M4 M5 M6 And Quarter Twenty Knurled Brass Heat Set Inserts With Welding Adapters In Labeled Divider Box

Brass Heat-Set Threaded Inserts Kit for Plastic
✔️ Includes 300 pcs in metric sizes M2-M6 and 1/4-20, welding adapters

Compact brass heat-set threaded inserts designed for plastic parts in 3D printing. It suits common materials like PLA, PETG, and ABS, and comes in a labeled divider box for quick access and organization.

✅ 300 total inserts in labeled divider box
✅ Metric sizes M2, M2.5, M3, M4, M5, M6 and 1/4-20
✅ Includes 7 welding adapter tips for easier heat-set installation
✅ Brass, gold-tone, anti-rust with good thermal conductivity
✅ Knurled, spiral-sided design for firm embedding in plastics

💡 What is a heat-set threaded insert used for in 3D printing? Heat-set inserts reinforce threaded holes in soft plastics and provide repeatable, strong mounting for screws. - It uses heat to soften the surrounding plastic and form a secure bond with the brass sleeve - It supports common thread sizes like M2-M6 and 1/4-20 for multiple projects - It helps when you need durable threads in PLA, PETG, or ABS parts