Flat Washer, Flat Washer Type SAE, Dimensional Standards ASME B18.21.1, SAE, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size 1 1/8 in, Inside Diameter 1.25 in, Outside Diameter 2 1/4 in, Maximum Thickness 0.134 in, System of Measurement Inch, Minimum Thickness 0.134 in, Color Clear, Inside Diameter Tolerance 1.493-1.53, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C