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

25 Pcs M2 x 4mm Knurled Brass Threaded Heat Set Inserts 3D Printing

25 Pcs M1.4 x 1.8mm Knurled Brass Threaded Heat Set Inserts 3D Printing

25 Pcs M1.4 x 2.5mm Knurled Brass Threaded Heat Set Inserts 3D Printing

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

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

25 Pcs M5 x 5.8 mm Knurled Brass Threaded Heat Set Inserts 3D Printing

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