Diameter: 1/2"
Length: 1-1/4"
Material: Stainless Steel
Driver Type: 5/8" Wrench
Thread Size: 13 (Coarse)
Hardness: 18-8
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.