Flat Washer, Flat Washer Type SAE, Dimensional Standards ASME B18.21.1, SAE, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, For Screw Size 1 1/8 in, Inside Diameter 1.25 in, Outside Diameter 2 1/4 in, Maximum Thickness 0.134 in, System of Measurement Inch, Minimum Thickness 0.134 in, Pack Size Small Pack, Rockwell Hardness Not Rated, Package Quantity 5