#8-32 x 1/2" Zinc Plated Steel Coarse Thread Coupling Nuts (50 pcs.)

Diameter: #8
Length: 1/2"
Material: Steel
Finish: Zinc
Thread Size: 32 (Coarse)
Type: Coupling Nut

Box of 50.

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.