Coupling Nut, 5/8"-11, Steel, Hot Dipped Galvanized, 2-1/8 in Lg, 10 PK, Midwest Fastener, Mfr#: 54546 | EnjoyTool | EnjoyTool - Quality Tools & Building Materials
Coupling Nut, 5/8"-11, Steel, Hot Dipped Galvanized, 2-1/8 in Lg, 10 PK, Midwest Fastener, Mfr#: 54546
A coupling nut is a long nut tapped from each side to meet in the middle, rather than all the way through in the same direction, used to connect two threaded rods end to end.