2 Pieces Per Pack
Diameter: 12mm
Diameter 2: 21mm
Thickness: 2.5mm
Material: Stainless Steel
Hardness: A2
Style: Medium Split
Type: Lock Washer
Specifications: DIN 127
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.