7/8"-9 x 2-3/16" Zinc Inspection Hole Coupling Nuts CPLNT-139 (10 pcs.)

Description

Diameter: 7/8″
Length: 2-3/16″
Material: Steel
Finish: Zinc
Driver Type: 1-1/4″ Wrench
Thread Size: 9 (Coarse)
Style: Inspection Hole and Stop
Type: Coupling Nut
Box of 10.
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.