Monster Fastener Zinc Plated Class 8 Steel Split Lock Washers

Diameter: 8mm
Diameter 2: 15mm
Thickness: 2.1mm
Material: Steel
Finish: Zinc
Hardness: Class 8
Style: Medium Split
Type: Lock Washer
Specifications: DIN 127
Application: Nuts and Bolts

Diameter: 10mm
Diameter 2: 18mm
Thickness: 2.2mm
Material: Steel
Finish: Zinc
Hardness: Class 8
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.