Hex Nut, Hex Type Standard Hex, Finish Chrome Plated, Material Grade/Class Grade 2, Material Steel, Thread Size 5/16 In.-18, Hex Width 1/2 in, Hex Height 17/64 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B18.2.2, Material Quality Standards SAE J995, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Removable Yes, Thread Type Coarse, Package Quantity 50