Catalog number: W0-00-0501-0200-0000-01 Features: ●The contact area is larger than that of a round washer, and the fastening surface can be stabilized. ●Used for soft materials such as wood or when the holes are large. Specifications: ●Nominal diameter: M20 ●Outer diameter (mm): 56 ●Inner diameter (mm): 22 ●Thickness (mm): 4.5 ●Type: Unichrome plating Material/Finish: ●Iron ●Surface treatment: Unichrome plating finish
