Essential lock washer designed to prevent nuts and bolts from loosening due to vibration and torque. Features an outer diameter of 18.10 mm (0.71 in) and a nominal size of 10 mm (0.39 in) for versatile applications. Built with a thickness of 2.20 mm (0.09 in) to ensure robust performance and reliability. Made from high quality general steel for durability and strength. Coated with zinc finish to resist corrosion and extend product life.