50pcs M3 Threaded Inserts Brass Heat Set Insert M3x5.7mm, OD 4.6mm Knurled Nuts

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

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

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

50 Pcs Brass Threaded Insert M3x4x5 mm for Plastic Components

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

50 Pcs Brass Threaded Insert M1x2x2 mm for Plastic Components

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