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Starlock Washers M5 (1)

Made of 65Mn Metal Steel, Anti-corrosion and Durable
- A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
- These washers create a permanent installation and will lock on plastic, steel etc.