Flat Washer Flat Washer Type Oversized Dimensional Standards ASME B18.22.1 Material Stainless Steel Material Grade/Class 18-8 Finish Plain For Screw Size 3/4 in Inside Diameter 0.813 in Outside Diameter 1 1/2 in Maximum Thickness 0.252 in System of Measurement Inch Minimum Thickness 0.192 in Color Silver Inside Diameter Tolerance +0.015 in -0.007 in Made in North America No Manufacturer Location Globally Sourced Maximum Temperature 302 Degrees F