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

50pcs M4 Threaded Inserts Brass Heat Set Insert M4x10mm, OD 6mm Knurled Nuts

100pcs M6 Threaded Inserts Brass Heat Set Insert M6x5mm, OD 8mm Knurled Nuts

Knurled Insert Nuts, 50pcs M5x8mm Lx7.5mm OD Brass Heat Set Insert

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

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

50pcs M6 Threaded Inserts Brass Heat Set Insert M6x8mm, OD 8mm Knurled Nuts

50pcs M6 Threaded Inserts Brass Heat Set Insert M6x5mm, OD 8mm Knurled Nuts