Fender Washer Flat Washer Type Oversized Dimensional Standards ASME B18.21.1 Material Stainless Steel Material Grade/Class 18-8 Finish Plain For Screw Size #10 Inside Diameter 0.188 in Outside Diameter 1/2 in Maximum Thickness 0.063 in System of Measurement Inch Minimum Thickness 0.034 in Color Silver Inside Diameter Tolerance +0.008 in -0.005 in Made in North America No Manufacturer Location Globally Sourced Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F