The main functions of hexagonal cap nuts include rust prevention and fastening. ‌

Hexagonal cap nut, as the name suggests, is a type of hexagonal nut with a cap. This cover can fasten the exposed part on the outside to prevent moisture or other corrosive substances from entering, thus playing a role in rust prevention and improving the service life of the nut itself and the connecting piece by 12. In addition, the hexagonal cap nut can prevent the nut from loosening and coming out, enhancing the stability of the connection.