5/16"-18 x 1/2" x 1 1/8" Hex Rod Coupling Nut - Plated 5/16"-18 x 1/2" x 1 1/8" rod couping nut - plated RC51618118 $0.612/ea
8-32 x 5/16 x 5/8" Hex Rod Coupling Nut - Plated 8-32 x 5/16 x 5/8" hex rod coupling nut RC83258 $0.620/ea
5/16"-18 x 1/2" x 1 3/4" Hex Rod Coupling Nut - Plated 5/16"-18 x 1/2" x 1 3/4" rod couping nut - plated RC51618134 $0.615/ea
5/8"-18 x 13/16" x 2 1/8" Hex Rod Coupling Nut - Plated 5/8"-18 x 13/16" x 2 1/8" rod couping nut - plated RC5818218 $2.403/ea
5/8"-11 x 13/16" x 2 1/8" Hex Rod Coupling Nut - Plated 5/8"-11 x 13/16" x 2 1/8" rod couping nut - plated RC5811218 $1.239/ea