Jam Nut, Hex Type Jam Hex, Finish Plain, Material Grade/Class Grade A, Material Steel, Thread Size 1 In. -8, Hex Width 1 15/32 in, Hex Height 37/64 in, Dimensional Standards ASME B 18.2. 2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Thread Type Coarse, Package Quantity 5