Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125, Material Titanium, Material Grade/Class Grade 2, Finish Plain, For Screw Size M3.5, Inside Diameter 3.7 mm, Outside Diameter 8 mm, Maximum Thickness 0.6 mm, System of Measurement Metric, Minimum Thickness 0.4 mm, Color Silver, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM B348 GR 2, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack