Flat Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.21.1, Material Steel, Finish Zinc-Plated, For Screw Size 1 1/4 in, Inside Diameter 1.375 in, Outside Diameter 3 in, Maximum Thickness 11/64 in, System of Measurement Inch, Minimum Thickness 11/64 in, Color Silver, Inside Diameter Tolerance 1.368-1.405, Made in North America Not Made in North America, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C