2-1/2"-4 Grade 8 Plain Finish Carbon Steel Round Slotted Castle Nut

Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 8, Thread Size 2 1/2 In.-4, Hex Width 3 3/4 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