Item Name: 260Pcs/Box Star Nut Metal Starlock Push-on Locking Washer Fastener Kit M3-M12. Product DescriptionFeatures:Made of 65Mn Metal Steel, Anti-corrosion and DurableA 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.This set is organized by size / type in a transparent storage case for quick access and protection.Specifications:Washer Type: Starlock WasherSizes: M3 M4 M5 M6 M8 M10 M12Material: 65Mn Metal SteelColor: BlackPackage Included:M3 - 30pcsM4 - 30pcsM5 - 40pcsM6 - 50pcsM8 - 50pcsM10 - 40pcsM12 - 20pcs
