5/8-11 to 1/2-13 x 1-1/4" (13/16"w) Reducer Hex Rod Coupling Nut - Plated 5/8"-11,1/2"-13 x 13/16" x 1 1/4" reducer rod couping nut RRC5812 $2.433/ea
1/2"-13 x 5/8" x 1 1/4" Hex Rod Coupling Nut - Plated 1/2"-13 x 5/8" x 1 1/4" rod coupling nut - plated RC1213114 $0.405/ea
3/8"-16 x 1/2" x 1 1/8" Hex Rod Coupling Nut - Plated 3/8"-16 x 1/2" x 1 1/8" rod couping nut - plated RC3816118 $0.243/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
3/8-16 to 1/4-20 x 1" (1/2"w) Reducer Hex Rod Coupling Nut - Plated 3/8"-16,1/4"-20 x 1/2" x 1" reducer rod couping nut - plated RRC3814 $0.834/ea