Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class 200HV, Finish Zinc-Plated, For Screw Size M36, Inside Diameter 37.62 mm, Outside Diameter 66 mm, Maximum Thickness 5.6 mm, System of Measurement Metric, Minimum Thickness 4.4 mm, Color Silver, Inside Diameter Tolerance 1.457-1.481, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards ASTM A-325