25 Pcs M3 x 4mm Knurled Brass Threaded Heat Set Inserts 3D Printing

25 Pcs M2 x 2mm Knurled Brass Threaded Heat Set Inserts 3D Printing

25 Pcs M3 x 3mm Knurled Brass Threaded Heat Set Inserts 3D Printing

M2-M6 Brass Knurled Heat-Set Insert Nut for 3D Printer Threaded

20 Pcs M4 x 8mm Knurled Brass Threaded Heat Set Inserts 3D Printing

M2 x 4mm, 4mm OD - Knurled Brass Threaded Heat Set Inserts 3D Printing

M2 x 2mm, 4mm OD - Knurled Brass Threaded Heat Set Inserts 3D Printing

M2.5 x 4mm, 3.5mm OD - Knurled Brass Threaded Heat Set Inserts 3D Printing