Reliable FHNCZ516VP Hex Nut, Coarse Thread, 5/16-18 Thread, Steel, Zinc, 2 Grade

Reliable Hex Nut, Thread Type: Coarse, Thread Size: 5/16-18, Hex Size: 0.273 in H x 0.5 in W Flat x 0.577 in W Corner, Steel, 2 Grade, Zinc