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

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

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

100pcs M3 Threaded Inserts Brass Heat Set Insert M3x3.5mm, OD 5mm Knurled Nuts

15 Pcs 1/4"-20UNC x 8mm l x 8mm OD Pure Brass Heat Set Threaded Inserts

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

28 Pcs M6 x 5mm l x 8mm OD Pure Brass Heat Set Threaded Inserts