Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class Grade 2, Finish Zinc Plated, For Screw Size M10, Inside Diameter 10.5 mm, Outside Diameter 20 mm, Maximum Thickness 2 mm, System of Measurement Metric, Minimum Thickness 2 mm, Color Silver, Inside Diameter Tolerance 0.413-0.424, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C