Durable material: the rivet nuts are made of aluminum alloy, with good resistance to corrosion, water and rust, and can be used for a long time. Various sizes: We have four sizes M4, M5, M6, M8, so that you can choose in different situations and different needs have different opportunities. Precision design: The blind rivet nut has a design of precise thread inside, so it is very compatible with the screw, the fastening effect is better, not easy to fall off, and the assembly effect of the article is stronger. < p>Easy to install: Round thread rivets have a knurled shape that increases friction with the contact surface compared to regular nuts, and they are easy to install in a wide variety of materials. Widely used: rivet nuts can be used in a variety of materials such as steel, plastic, fiberglass and wood. They can also be used in automobiles, furniture, handicrafts and other industrial products. Description: 1. The rivet nut has excellent corrosion resistance and toughness, is not