100 Pcs M3 Heat Set Threaded Inserts For 3D Printing Brass Knurled Twill Nuts, Plug And Play For Laptop Housings And Plastic Shells, Durable Rust Resistant Brass, Easy Insertion And Strong Fastening

100-Pack M3 Heat-Set Inserts for Durable 3D-Printed Housings
✔️ 100 pcs M3 brass heat-set inserts, 3.0 mm ID, 4.6 mm OD, 5.7 mm L

These heat-set inserts are brass nuts designed to anchor threaded hardware into plastic parts. They are ideal for 3D printed laptop housings, car plastic shells, and electronics enclosures, providing durable threaded connections that survive repeated assembly.

✅ Inner diameter 3.0 mm, outer diameter 4.6 mm, length 5.7 mm
✅ Material: brass; rust-resistant and good thermal conductivity
✅ Pack size: 100 pieces in a bag
✅ Compatible with PA, PC, PLA, ABS and similar plastics

💡 What is a heat-set M3 threaded insert used for in 3D printing? This handy fastener helps create durable, repairable threads in printed parts. - Handy for laptop housings and plastic shells - Provides strong threads in PLA, ABS, PC, PA - Works with heat-set or ultrasonic insertion - Keeps fasteners secure under load