Uxcell 60 Pcs Spring Lock Washer, Copper M4 Split Lock Washers Assortment

Descriptions[Material] - Our split lock washer is made of copper with pickling surface treatment, which is strong, oxidation-resistant and rust-proof, with good corrosion resistance and long service life.[Function] - The spring washer is mainly used to prevent nuts, bolts, screws from loosening due to mechanical aging, vibration, friction, and plays the role of fixing objects to ensure the stability and security of the machine.[Easy to Use] - Generally used under the bolt or nut to evenly distribute the load of the bolt, screw and nut when the fastener is tightened.[Wide Application] - The ring spring washer is fit for screws, nuts and bolts of the same size, and can be used to connect machinery to prevent loose connections. It is widely used in metal plates, decks, furniture repairs, outdoor buildings and electrical maintenance.SpecificationsMaterial: CopperColor: CopperSurface Treatment: PicklingInner Dia: 4.1-4.4mm/0.16-0.17inchOuter Dia: 6.1-6.8mm/0.24-0.27inchThickness: 1-1.2mm/0.04-0.05inchPackage Content60 x Split Lock Washer