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4mm x 7.5mm Chrome Plated Class 12.9 Steel Lock Washers

SKU: 74581
Box Size: 10 pcs.
Regular price $1351
Shipping calculated at checkout.

Diameter: 4mm
Diameter 2: 7.5mm
Thickness: 1.1mm
Material: Steel
Finish: Chrome
Hardness: Class 12.9
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.