Lock washers are designed to be tightened to a required torque beneath an ordinary fastener. They exert a spring tension that keeps the fastener from vibrating loose. They are often attached to the nut side of the fastener.

When should you use a spring lock washer?

Spring washers are locking washers that are used when there is a need to prevent a fastener from loosening as a result of vibration. They are also often called split lock or split ring washers.

How does a lock nut washer work?

Locking washers work by exerting downward tension. ... Locking washers share this characteristic trait by exerting tension as well. When you twist a nut onto a bolt, it will press against the locking washer. The locking washer will then generate tension that secures the bolt in place.