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