Coupling nuts are fully threaded and used to join two threaded rods or studs end-to-end into a single continuous length.
Nominal Size: #10
Thread: 24 TPI (Coarse)
Width Across Flats: 5/16"
Length: 3/4"
Material: Steel
Finish: Zinc
Style: Hex
Type: Coupling Nut
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.