Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 3 Material Steel Thread Size 1 3/8 In.-8 Hex Width 2 5/32 in Hex Height 1 11/32 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 25