Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 2H Material Steel Thread Size 7/16 In.-14 Hex Width 3/4 in Hex Height 27/64 in Manufacturer Location Globally Sourced Material Quality Standards ASTM A194 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Rockwell Hardness B55 to C32 Thread Type Coarse/8UN Package Quantity 300