Lock washers add spring tension or bite beneath a fastener head or nut, helping resist loosening from vibration.
Nominal Size: 9/16"
Inside Diameter: 9/16"
Outside Diameter: 31/32"
Thickness: 5/32"
Material: Steel
Finish: Yellow Zinc
Hardness: Grade 8
Style: Medium Split
Type: Lock Washer
Application: Nuts and Bolts
The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.