, Hex Width 1 1/16 in, Hex Height 23/64 in, Manufacturer Location Globally Sourced, Material Quality Standards TCMA, System of Measurement Inch, Thread Direction Right Hand, Color Black, RoHS Compliant Yes, Thread Type Coarse, Package Quantity 10.Jam Nut, Hex Type Heavy Hex Jam, Finish Black Oxide, Material Grade/Class Grade 2, Material Alloy Steel, Thread Size 5/8 In.