1-3/8"-12 Grade 5 Plain Finish Carbon Steel Round Slotted Castle Nut, EnjoyTool Select, Mfr#: U12025.137.0001

Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 5, Thread Size 1 3/8 In.-12, 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