What should be paid attention to during the operation of the lock nut

1. Use two identical nuts to screw on the same bolt, and add a tightening torque between the two nuts to make the bolt connection reliable. the

2. There is a threaded hole drilled from the outer surface of the nut to the inner thread surface, which is used to screw in small-diameter countersunk screws. The purpose is to apply a centripetal force to the thread to prevent the lock nut from loosening.