Hex Nut, Hex Type Heavy Hex, Finish Black Oxide, Material Grade/Class Grade 8, Material Steel, Thread Size 3/8 In.-24, Hex Width 9/16 in, Hex Height 1/2 in, Manufacturer Location Globally Sourced, Dimensional Standards SAE J482, Material Quality Standards SAE J482, System of Measurement Inch, Thread Direction Right Hand, Color Black, Made in North America No, Pack Size Small Pack, REACH Compliant Yes, Removable Yes, Rockwell Hardness HRC 24/32, RoHS Compliant Yes, Thread Type UNF