Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 2H Material Steel Thread Size 1/4 In.-20 Hex Width 1/2 in Hex Height 1/4 in Manufacturer Location Globally Sourced Material Quality Standards ASTM A194 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Thread Type Coarse/8UN Package Quantity 300