A nut is a nut that is screwed together with a bolt or screw to play a role of fastening. A component that must be used in all manufacturing machinery is divided into carbon steel, stainless steel, non-ferrous metals (such as copper), etc. Several major types.
Different Type of Nut
Self-locking nut, lock nut, lock nut, four-jaw nut
Screw-in nut safety nut, thin rod screw connection nut, self-locking hexagon cap nut, special anchor screw nut, hexagonal crown thin nut, eye nut.