Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class Not Graded, Finish Black Oxide, For Screw Size M45, Inside Diameter 46.62 mm, Outside Diameter 85 mm, Maximum Thickness 8 mm, System of Measurement Metric, Minimum Thickness 6 mm, Color Clear, Inside Diameter Tolerance 1.811-1.835, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated