Castle Nut Finish Black Oxide Material Steel Material Grade/Class Grade 5 Thread Size 7/16 In.-14 Hex Width 11/16 in Hex Height 25/64 in Hex Type Standard Hex Lock Type Slotted Castle Dimensional Standards ASME B18.2.2 Material Quality Standards ASME B18.2.2 SAE J995 System of Measurement Inch Thread Direction Right Hand For Pin Diameter 7/64 in Maximum Slot Width 0.15 in Minimum Slot Width 0.12 in Overall Height 25/64 in Pack Size Small Pack Package Quantity 100