Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size M64, Inside Diameter 66 mm, Outside Diameter 115 mm, Maximum Thickness 9 mm, System of Measurement Metric, Minimum Thickness 9 mm, Color Clear, Inside Diameter Tolerance 2.598-2.628, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C