Round Hole Washer designed for secure fastening and load distribution. Key specifications: Inside dimension of 10.70 mm (0.42 in), thickness of 2.50 mm (0.1 in), and outside dimension of 21 mm (0.83 in). Ideal for applications requiring precise load distribution and secure fastening. Made from high quality general steel for durability and reliability. Features a mechanical zinc finish for enhanced corrosion resistance and longevity.