Flat Washer Flat Washer Type Standard Material Nylon Material Grade/Class Grade 2 Finish Plain For Screw Size M6 Inside Diameter 6.4 mm Outside Diameter 12 mm Maximum Thickness 1.5 mm System of Measurement Metric Minimum Thickness 1.5 mm Color Off-White Pack Size Small Pack Thickness Tolerance +/-0.005 in Package Quantity 50