Nut and Washer Assortment, Dimensional Standards ASME B18.2.2, ASME B18.21.1, Hex Type Hex Assortment, Includes Washers Yes, Number of Nuts 90, Number of Thread Sizes 7, Number of Washers 80, Nut Finish Plain, Nut Material Stainless Steel, Nut Type Hex Nut, Standards ASME B18.2.2, ASME B18.21.1, System of Measurement Inch, Thread Sizes #10, #10-24, #6-32, #8, #8-32, 1/4 In., 1/4 In.-20