Jam Nut, Hex Type Jam Hex, Finish Zinc Plated, Material Steel, Material Grade/Class Grade A, Thread Size 7/16 In.-20, Hex Width 11/16 in, Hex Height 1/4 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B18.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Rockwell Hardness C32, Thread Type Fine, Package Quantity 50