Flat Washer Flat Washer Type Oversized Material Steel Material Grade/Class Grade 2 Finish Zinc Plated For Screw Size M24 Inside Diameter 25 mm Outside Diameter 85 mm Maximum Thickness 4 mm System of Measurement Metric Minimum Thickness 4 mm Color Silver Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F Pack Size Small Pack Package Quantity 50