5/16"-18 x 1" 18-8 Stainless Steel Coarse Thread Coupling NutsType: Coupling Nuts
Material: Stainless Steel
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
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.