Durable material: Screw nuts Crimp made of aluminum alloy, with good resistance to wear and tear. corrosion, water and rust, 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 screw nut Blind crimp 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 item is more stable. < strong>Easy to use install:the rivets Round threads 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. < strong>Widely used : the nuts rivet can be used in a variety of ways. 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 nut rivet has