Jam Nut, Hex Type Jam Hex, Finish Zinc Yellow, Material Grade/Class Grade 8, Material Steel, Thread Size 3/8 In. -24, Hex Width 9/16 in, Hex Height 15/64 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B 18.2. 2, Material Quality Standards SAE J933, System of Measurement Inch, Thread Direction Right Hand, Color Yellow, Industry Standards ASME B 18.2. 2, Made in North America No, Pack Size Small Pack, REACH Compliant Yes, Removable Yes, Rockwell Hardness C26-36. This item has been restricted from sale in the following state (s): []