Lock washers add spring tension or bite beneath a fastener head or nut, helping resist loosening from vibration.
Nominal Size: #10 (3/16")
Inside Diameter: 3/16"
Outside Diameter: 27/64"
Thickness: 3/64"
Material: Steel
Finish: Zinc
Hardness: Grade 2
Style: Internal Tooth
Type: Lock Washer
Application: Smaller head screws
The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.
