Standards And Dimensions Table: Heavy Hex Nut ASME B18.2.2 Hex Nut ASME B18.2.2 Heavy Hex Screw ASME B18.2.1 Full Thread Studs ASME B18.2.1 Hex Screw ASME B18.2.1 Plain Washers ASME B18.22.1 Heavy Hex Nut ASME B18.2.4.6M Hex Nut ASME B18.2.4.1M Hex Nut Metric DIN 934 Hex Bolt ASME B18.2.3.1M Full Thread Studs ASME B18.31.1M Hex Screw ASME B18.2.3.1M Plain Washers ASME B18.22M Plain Washers Metric DIN 125