5/16"-18 x 1/2" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts

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Coupling nuts are fully threaded and used to join two threaded rods or studs end-to-end into a single continuous length.Nominal Size: 5/16"Thread: 18 TPI (Coarse)Width Across Flats : 1/2"Diameter 2: 1/2"Length: 1-3/4"Material: SteelFinish: ZincStyle: HexType: Coupling NutA 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. Show more