Fender Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.21.1, Material Steel, Material Grade/Class Grade 2, Finish Zinc Plated, For Screw Size 5/16 in, Inside Diameter 0.344 in, Outside Diameter 1 in, Maximum Thickness 0.065 in, System of Measurement Inch, Minimum Thickness 0.065 in, Color Silver, Inside Diameter Tolerance 0,338-0,358, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C