Coupling nuts are fully threaded and used to join two threaded rods or studs end-to-end into a single continuous length.
Nominal Size: 3/8"
Thread: 16 TPI (Coarse)
Width Across Flats: 9/16"
Length: 1-1/8"
Material: Steel
Finish: Zinc
Thread Length: 3/8-16 to 1/4-20
Style: Reducer
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.