The nut specification table unifies all kinds of nuts in detail, and subdivides some specifications of nuts with the table. There are many kinds of nuts, but also nuts of different materials. Each type of nut has different specifications, and each screw has its own mechanical properties and functions.

Self locking nut, lock nut, lock nut, four jaw nut, screw in nut safety nut, thin rod screw connecting nut, self-locking hexagon cap nut, nut for special anchor screw, hexagon crown thin nut, eyebolt nut.