Jam Nut, Hex Type Jam Hex, Finish Zinc Plated, Material Steel, Material Grade/Class Grade 5, Thread Size 9/16 In.-12, Hex Width 7/8 in, Hex Height 21/64 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B18.2.2, Material Quality Standards SAE J995, System of Measurement Inch, Thread Direction Right Hand, Color Silver, Made in North America No, Pack Size Small Pack, REACH Compliant No, Rockwell Hardness C32, RoHS Compliant No, Thread Type Coarse, Package Quantity 5