M8-1.25 Class 8.8 Prevailing Torque All Steel Lock Nut DIN 980

An all-metal, one-piece prevailing torque hex nut (also known as stover nuts). With a proof load of 1040 MPa, this nut can be reused more times than a nylon lock nut. It can also withstand severe vibrations and shock holds. Frequently used in farm machinery as well as automotive and related metalworking industries. (MSLN8C)