Flat Washer Flat Washer Type Standard Dimensional Standards DIN 9021 Material Steel Material Grade/Class Grade 2 Finish Zinc Plated For Screw Size M2.5 Inside Diameter 2.7 mm Outside Diameter 8 mm Maximum Thickness 0.8 mm System of Measurement Metric Minimum Thickness 0.8 mm Color Silver Inside Diameter Tolerance 0.106-0.112 Made in North America No Manufacturer Location Globally Sourced Material Quality Standards Not Rated Maximum Temperature 350 Degrees C