5/16"-18 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, 25 pk.

Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 2, Thread Size 5/16 In.-18, Hex Width 1/2 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, Package Quantity 25