Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class Not Graded, Finish Black Oxide, For Screw Size M14, Inside Diameter 15.27 mm, Outside Diameter 28 mm, Maximum Thickness 2.7 mm, System of Measurement Metric, Minimum Thickness 2.3 mm, Color Clear, Inside Diameter Tolerance 0.591-0.601, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated