10 x 3/16″ x 21/64″ Black Chrome Plated Grade 2 Steel Lock Washers

Description

Diameter: 3/16″
Diameter 2: 21/64″
Thickness: 3/64″
Material: Steel
Finish: Black Chrome
Hardness: Grade 2
Nominal Size: 3/16″ (#10)
Style: Medium Split
Type: Lock Washer

Box of 20.

The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.