Flat Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.22.1, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, For Screw Size #4, Inside Diameter 0.125 in, Outside Diameter 5/16 in, Maximum Thickness 5/64 in, System of Measurement Inch, Minimum Thickness 5/64 in, Material Quality Standards Not Applicable, Pack Size Small Pack, Package Quantity 50