Flat Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.21.1, Material Steel, Material Grade/Class Grade 2, Finish Black Oxide, For Screw Size 3/4 in, Inside Diameter 0.813 in, Outside Diameter 2 in, Maximum Thickness 0.148 in, System of Measurement Inch, Minimum Thickness 0.148 in, Color Clear, Inside Diameter Tolerance 0.805-0.842, Made in North America No, Manufacturer Location Globally Sourced, Material Quality Standards Not Rated, Maximum Temperature 350 Degrees C