M3 Threaded Inserts, 100 Pcs Heat-Set Threadeds Insert Assortment Kit, Metric Br

100 PCS M3 Threaded Insert M3 x 4mm x 5mm Heat Set Inserts, 3D Printing Brass Nu

100 PCS M3 Threaded Insert M3 x 4mm x 5mm Heat Set Inserts, 3D Printing Brass...

100 Pcs M3 Threaded Insert M3 Heat Set Inserts 3D Printing Brass Nuts Knurled Tw

M3 Threaded Inserts for Plastic - 100 Pcs M3Xl4Xd4.2 Heat Set Tools

100 Pcs M3 Threaded Insert M3 Heat Set Inserts 3D Printing Brass Nuts Knurled Tw

200 Pcs M3 Heat Set Threaded Inserts Brass Knurled Nuts Kit for 3D Printing