20 Pcs Brass Threaded Insert M3x5.7x4.6 mm for Plastic Components

50 Pcs Brass Threaded Insert M3x5.7x4.6 mm for Plastic Components

70 Pcs Brass Threaded Insert M3x5.7x4.6 mm for Plastic Components

40 Pcs Brass Threaded Insert M2x4x3.5 mm for Plastic Components

Heat Set Threaded Brass Inserts 10pcs M2 M2.5 M3 M4 M5 M6 Great For 3D Printing

M3 x 4mm L x 5mm OD Knurled Insert Nut Brass Female Threaded Inserts 120Pcs

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

50 Pcs Brass Threaded Insert M2x4x3.5 mm for Plastic Components