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12mm x 21mm Black Phosphate Class 10 Steel Lock Washers

SKU: 06523
Box of 575
Regular price $6059
Shipping calculated at checkout.
12mm x 21mm Black Phosphate Class 10 Steel Lock Washers

Diameter: 12mm
Diameter 2: 21mm
Thickness: 2.5mm
Material: Steel
Finish: Black Phosphate
Hardness: Class 10
Style: Medium Split
Type: Lock Washer
Specifications: DIN 127
Application: Nuts and Bolts

Box of 575.

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

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