Hex Nut Hex Type Standard Hex Finish Zinc Plated Material Grade/Class Grade 5 Material Steel Thread Size 5/16 In.-24 Hex Width 1/2 in Hex Height 17/64 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 C19 to C30 Thread Type UNF/UNS Package Quantity 100