Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Steel, Material Grade/Class Grade 5, Finish Zinc Plated, For Screw Size M3, Inside Diameter 3.2 mm, Outside Diameter 7 mm, Maximum Thickness 0.5 mm, System of Measurement Metric, Minimum Thickness 0.5 mm, Pack Size Small Pack, Thickness Tolerance +/-0.05mm, Package Quantity 100