Durable material: aluminum alloy rivet nuts, with good corrosion resistance, water resistance and rust resistance, and can be used for a long time. Different Sizes: We have four sizes of M4, M5, M6, M8, so you have different choices in different situations and different needs. Precision Design: The blind rivet nut has a precise thread design inside, so it is very compatible with the screw, the fixing effect is better, it is not easy to fall off, and the assembly effect of the #39;item is more stable. Easy to install: Round thread rivets have a knurled shape that increases friction with the contact surface compared to ordinary nuts, and they can be easily installed in many different materials. Widely Used: Rivet nuts can be used in a variety of materials such as steel, plastic, fiberglass and wood. They can also be widely used in automobiles, furniture, handicrafts and other industrial products. Description: 1. The rivet nut has excellent corrosion resistance and toughness, is not easy