Metric Serrated Lock Washer
Metric serrated lock washers are disc shaped thin plate steel with a center hole. Normally used to distribute the load of a threaded fastener such as a screw/bolt and nut, these serrated washers increase the friction between the two to prevent loosening within the application. Commonly used in high vibration applications to keep screws/bolts in place.
Metric Serrated Lock Washer Specifications
DIN 6798 / Zinc