20 Pcs Brass Threaded Insert M4x4x6.31 mm for Plastic Components

100pcs M4 Threaded Inserts Brass Heat Set Insert M4x4mm, OD 6mm

100 Pcs Brass Threaded Insert M3x4x5 mm for Plastic Components

50 Pcs Brass Threaded Insert M5x5.8x7.1 mm for Plastic Components

100pcs M2.5 Threaded Inserts Brass Heat Set Insert M2.5x5mm, OD 4.5mm

100 Pcs Brass Threaded Insert M1x2x2 mm for Plastic Components

100 Pcs Brass Threaded Insert M5x5.8x7.1 mm for Plastic Components

20Pcs Brass Threaded Insert M4x4x6.31 mm for Plastic Components