Diameter: 1/4"
Length: 7/8"
Material: Stainless Steel
Driver Type: 7/16" Wrench
Thread Size: 20 (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.