Diameter: 8mm
Length: 24mm
Material: Steel
Finish: Zinc
Driver Type: #13 Wrench
Thread Size: 1.25mm (Coarse)
Style: Hex
Type: Coupling Nut
Specifications: DIN 6334
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.