Spring Washer. 2) greater control as a result of a longer deflection period; Spring washers are functional parts that provide extra friction to a bolt, nut, or screw.
Standard spring washers are used within applications where vibration is a concern. Designed for use with bearing nuts, these lock washers have a conical shape that presses like a spring against bearings, bushings, gears, and pulleys to hold them in place on.