ZORO SELECT 4CAN4 Serrated Lock Nut, 5/16"-24, Steel, Grade A, Zinc Plated,
Lock Nut, Finish Zinc Plated, Material Steel, Material Grade/Class Grade A, Thread Size 5/16 In.-24, Hex Width 1/2 in, Hex Height 11/64 in, Lock Type Serrated, Dimensional Standards ASME 18.18, ASME B1.1, ASME B18.16.4, SAE J429, Material Quality...