M2 M2.5 M3 M4 M5 M6 Brass Heat Set Threaded Insert with Soldering Iron Tips Tools Knurled Copper Nut Kit for Plastic 3D Printing

Head Style：Other High-concerned chemical：None Model Number：1 DIY Supplies：Metalworking Origin：Mainland China Item Type：Nut & Bolt Sets

Head Style: Other High-concerned chemical: None Model Number: 1 DIY Supplies: Metalworking Origin: Mainland China Item Type: Nut & Bolt Sets