Jam Nut Hex Type Heavy Hex Jam Finish Black Oxide Material Grade/Class Grade 2 Material Alloy Steel Thread Size 1/2 in Hex Width 7/8 in Hex Height 19/64 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