Features: These rivet gun nuts are made of carbon steel, which is not easy to corrode and damage, and have a long service life Drill holes according to the size of the rivet nut mounting hole, insert the rivet nut, and tighten the lock nut with a rivet tool Rivet nuts are suitable for automobiles, furniture, decoration, and other electrical and industrial products, and can be used for metal or non-metallic plastics, wood, and other plates