Flat Washer, Flat Washer Type Standard, Dimensional Standards AMPG 2001 FL.01, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, For Screw Size 1 in, Inside Diameter 1.031 in, Outside Diameter 2 in, Maximum Thickness 1/4 in, System of Measurement Inch, Minimum Thickness Not Applicable, Inside Diameter Tolerance +/-0.010 in, Material Quality Standards ASTM A582, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack