Large O.D. Oversized Washer, Flat Washer Type Standard, Dimensional Standards DIN 9021, Material Steel, Material Grade/Class Case Hardened, Finish Zinc-Plated, For Screw Size M22, Inside Diameter 23 mm, Outside Diameter 59 mm, Maximum Thickness 3 mm, System of Measurement Metric, Minimum Thickness 3 mm, Color Silver, Inside Diameter Tolerance 0.945-0.965, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated