M3 Heat Set Threaded Inserts For Plastic, Brass Knurled Nuts, M3 X 5.7 X 4.6mm, Heat In Threaded Inserts For 3D Printing Components And Plastic Parts, DIY Friendly, Durable, Corrosion Resistant, High Thermal Conductivity
✔️ M3 internal thread, length 5.7mm (0.22"), OD 4.6mm (0.18"), 140pc pack
These heat-set threaded inserts are brass M3 items designed to be heat-set into thermoplastics to create strong, replaceable female threads for 3D printed components and plastic housings. They sit flush with the mounting surface for snag-free assemblies and come in a 140-piece pack with a transparent storage box for easy organization. Compatible with PLA, ABS, PETG and other thermoplastics, they offer corrosion resistance and high thermal conductivity.
✅ M3 thread diameter with 0.5 mm pitch
✅ Brass knurling for secure grip and easy installation
✅ Straight heat-set design sits flush with surface
✅ Install with heat using soldering iron or ultrasonic tool
✅ 140 inserts per pack in clear storage box
✅ Suitable for PLA, ABS, PETG and other thermoplastics
💡 What is a heat-set threaded insert used for in plastic parts and 3D printing projects? This handy solution creates durable, replaceable threads in thermoplastics. - adds strong M3 threads to PLA, ABS, PETG parts - installs with heat from a soldering iron or ultrasonic tool - ideal for repairable fastener joints in plastic housings