Jam Nut Hex Type Jam Hex Finish Plain Material Stainless Steel Material Grade/Class 18-8 Thread Size 5/16 In.-24 Hex Width 1/2 in Hex Height 3/16 in Dimensional Standards ASME B18.2.2 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Rockwell Hardness B95 to C35 Thread Type Fine Package Quantity 100