1400X Insert Kit Brass Nut M2-M8 Hot Melt Heat Set Insert for Plastic 3D Printer

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

220Pcs M2-M6 Brass Heat Insert Nut Set Thread Knurled Double Twill Embedment Nut

38-3D 300pcs Brass Heat Set Threaded Inserts Kit for 3D Printing

Brass Threaded Insert Nut Kit M2 M2.5 M3 M4 M5 M6 M8 Hot Melt Heat Knurled Embed

Heat Set Threaded Brass Insert 50pcs M3x5x4.2OD M3x5x4.5OD Great For 3D Printing

220Pcs Brass Heat Insert Nuts Kits Heat Set M2 M2.5 M3 M4 M5 M6 Threaded Inserts

50pcs M3 Threaded Inserts Brass Heat Set Insert M3x4mm, OD 5mm Knurled Nuts