20x M4 x 0.7 Brass Metal Threaded Heat Set Inserts for Plastic 3D Printing U.S.A

These are High quality Made in USA Helicoil inserts.

AIEX 100pcs 3D Printing Brass Nuts, M3 Threaded Insert Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell(M3*4.6x5.7mm): : Industrial & Scientific

20x 1/4-20 Brass Threaded Heat Set Inserts for Plastic 3D Printing Brass Metal

[initeq] Qty 50 M4-0.7 Threaded Heat Set Inserts for 3D Printing (Long) : Industrial & Scientific

M4 0.7 4-7 M4-0.7 4mm Brass Threaded Inserts for 3D Printing Screws Metal Qty 20

[initeq] Qty 50 M4-0.7 Threaded Heat Set Inserts for 3D Printing : Industrial & Scientific

E-Z LOK Threaded Insert for Plastic Tapered Single Vane Brass Thread Inserts 1/4-20 Pack of 50

[initeq] Qty 50 M4-0.7 Threaded Heat Set Inserts for 3D Printing : Industrial & Scientific

3DJAKE Threaded Inserts (50-piece set) - 3DJake International

M4 0.7 4-7 M4-0.7 4mm Brass Threaded Inserts for 3D Printing Screws Metal Qty 20

20x #4 4-40 Long Brass Threaded Heat Set Inserts for Plastic 3D Printing Metal

20x #4 4-40 Long Brass Metal Threaded Heat Set Inserts for Plastic 3D Printing

[initeq] #1/4-20 1/4 Threaded Heat Set Inserts for 3D Printing (20, Short) : Industrial & Scientific