Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 5 Material Steel Thread Size 1/2 In.-20 Hex Width 3/4 in Hex Height 29/64 in Manufacturer Location Globally Sourced Dimensional Standards ASME B18.2.2 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Thread Type UNF Package Quantity 25