Konoe Iron Nickel Spring Washer M8 (1500 pieces) SW-SS-6U-8 1 box

Catalogue number: SW-SS-6U-8 Features: ●Part of the flat washer has been broken off to form a coil shape. ●This shape acts as a spring, preventing loosening and falling off when loosened. ●It prevents loosening by scratching and biting into the bolt seat and nut. ●Even if a tightened screw loosens slightly, the spring's repulsive force presses against it, increasing the frictional force and preventing the screw or nut from coming off. Specifications: ●Nominal diameter: M8 ●Outer diameter (mm): 15.4 ●Inner diameter (mm): 8.2 ●Thickness (mm): 2 Material/Finish: ●Material: Steel ●Surface treatment: Unichrome