1/4" x 39/64" Zinc Grade 2 External Tooth Lock Washers LWS-231 (100 pcs)

Diameter: 1/4"
Diameter 2: 39/64"
Thickness: 1/16"
Material: Steel
Finish: Zinc
Hardness: Grade 2
Nominal Size: #14 (1/4")
Style: External Tooth
Type: Lock Washer
Application: Round|pan|or binding head

Box of 100.

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