1-3/8"-6 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, EnjoyTool Select, Mfr#: U12000.137.0001

Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 2, Thread Size 1 3/8 In.-6, Hex Width 2 1/16 in, Hex Type Standard Hex, Lock Type Slotted Castle, Dimensional Standards ASME B18.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack