Flat Washer Flat Washer Type Oversized Dimensional Standards DIN 9021 Material Stainless Steel Material Grade/Class 18-8 Finish Plain For Screw Size M10 Inside Diameter 10.5 mm Outside Diameter 30 mm Maximum Thickness 2.7 mm System of Measurement Metric Minimum Thickness 2.3 mm Color Silver Inside Diameter Tolerance +0.27 mm Made in North America No Manufacturer Location Globally Sourced Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F