Nominal Size: 8mm
Inside Diameter: 8mm
Outside Diameter: 15mm
Thickness: 2mm
Material: Steel
Finish: Black Phosphate
Hardness: Class 10
Style: Medium Split
Type: Lock Washer
Specifications: DIN 127
Application: Nuts and Bolts
Box of 1347.
The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.