Hex Nut Hex Type Standard Hex Finish Plain Material Grade/Class 316 Material Stainless Steel Thread Size 1/2 In.-13 Hex Width 3/4 in Hex Height 7/16 in Dimensional Standards ASME B18.2.2 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Removable Yes Rockwell Hardness C24 to C32 Thread Type Coarse Package Quantity 500