Coupling Nut

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.
DiameterDiameter 2LengthDriver TypeThread TypeThread SizeHardnessPriceSKU #
1/8 IP Brass Barrel Coupling1/8 IP Brass Barrel Coupling1/8 PT-$0.89/ea
1/8 IP Brass Knurled Coupling1/8 IP Brass Knurled Coupling1/8 PT-$0.94/ea
1/4 F x 1/8 F Brass Barrel Coupling1/4 F x 1/8 F Brass Barrel Coupling1/8F1/4 F--$1.21/ea
6-32       Stainless Coupling Nut6-32 Stainless Coupling Nut#632Coarse$1.12/ea
4mm    .70 Pitch Coupling Nut4mm .70 Pitch Coupling Nut4mm-.7mmCoarseClass 6$0.58/ea
8-32       Stainless Coupling Nut8-32 Stainless Coupling Nut#832Coarse$1.64/ea
10-24       Stainless Coupling Nut10-24 Stainless Coupling Nut#1024Coarse$2.09/ea
10-32       Stainless Coupling Nut10-32 Stainless Coupling Nut#1032Fine$2.03/ea
10-32 Coupling Nut10-32 Coupling Nut#105/16"3/4"1/2 Wrench32Fine-$0.77/ea
10-24 Coarse Rod Coupling Nut10-24 Coarse Rod Coupling Nut#105/16"3/4"3/8 Wrench24Coarse-$0.31/ea
5mm    .80 Pitch Coupling Nut5mm .80 Pitch Coupling Nut5mm-.8mmCoarseClass 6$0.74/ea
6mm    1.00 Pitch Coupling Nut6mm 1.00 Pitch Coupling Nut6mm-1.0mmCoarseClass 6$0.79/ea
1/4-20       Stainless Coupling Nut1/4-20 Stainless Coupling Nut1/4"20Coarse$2.40/ea
1/4 IP Brass Barrel Coupling1/4 IP Brass Barrel Coupling1/4 PT3/8 Wrench-$1.29/ea
1/4-20 Coarse Coupling Nut1/4-20 Coarse Coupling Nut1/4"-3/8 Wrench20Coarse-$0.66/ea
1/4-28 Coupling Nut1/4-28 Coupling Nut1/4"7/16"7/8"3/8 Wrench28Fine-$0.87/ea
1/4-20 Rod Coupling Gr21/4-20 Rod Coupling Gr21/4"7/16"1‑3/4"7/16 Wrench20Coarse-$0.37/ea
5/16-18       Stainless Coupling Nut5/16-18 Stainless Coupling Nut5/16"18Coarse$2.60/ea
5/16-18 Rod Coupling Gr25/16-18 Rod Coupling Gr25/16"1/2"3/4"1/2 Wrench18Coarse-$0.52/ea
5/16-24 Coupling Nut5/16-24 Coupling Nut5/16"7/16"7/8"7/16 Wrench24Fine-$1.26/ea
8mm    1.25 Pitch Coupling Nut8mm 1.25 Pitch Coupling Nut8mm-1.25mmCoarseClass 6$0.92/ea
3/8-16       Stainless Coupling Nut3/8-16 Stainless Coupling Nut3/8"16Coarse$3.00/ea
3/8-16 to 1/2-13 Coarse Coupling Nut3/8-16 to 1/2-13 Coarse Coupling Nut3/8"1/2"-5/8 Wrench16Coarse-$1.54/ea
3/8-24 Coupling Nut3/8-24 Coupling Nut3/8"1/2"1‑1/8"1/2" Wrench24Fine-$1.32/ea
3/8-16 Rod Coupling Gr23/8-16 Rod Coupling Gr23/8"9/16"1‑3/4"9/16 Wrench16Coarse-$0.69/ea
10mm    1.5 Pitch Coupling Nut10mm 1.5 Pitch Coupling Nut10mm-1.5mmCoarseClass 6$1.26/ea
7/16-14       Stainless Coupling Nut7/16-14 Stainless Coupling Nut7/16"14Coarse$4.87/ea
7/16-20 Coupling Nut7/16-20 Coupling Nut7/16"5/8"1‑1/4"20Fine-$1.61/ea
7/16-14 Rod Coupling Gr27/16-14 Rod Coupling Gr27/16"5/8"1‑3/4"14Coarse-$0.85/ea
12mm    1.75 Pitch Coupling Nut12mm 1.75 Pitch Coupling Nut12mm-1.75mmCoarseClass 6$1.60/ea
1/2-13       Stainless Coupling Nut1/2-13 Stainless Coupling Nut1/2"13Coarse$4.69/ea
1/2-13 Inspector Coupling Nut1/2-13 Inspector Coupling Nut1/2"1‑1/2"11/16 Wrench13Coarse-$1.79/ea
1/2-20 Coupling Nut1/2-20 Coupling Nut1/2"11/16"1‑1/4"11/16 Wrench20Fine-$1.89/ea
1/2-13 Rod Coupling Gr21/2-13 Rod Coupling Gr21/2"11/16"1‑3/4"11/16 Wrench13Coarse-$0.90/ea
14mm    2.00 Pitch Coupling Nut14mm 2.00 Pitch Coupling Nut14mm-2.0mmCoarseClass 6$2.46/ea
5/8-11       Stainless Coupling Nut5/8-11 Stainless Coupling Nut5/8"11Coarse$9.76/ea
5/8-11 Inspector Coupling Nut5/8-11 Inspector Coupling Nut5/8"1‑7/8"13/16 Wrench11Coarse-$2.39/ea
5/8-18 Coupling Nut5/8-18 Coupling Nut5/8"13/16"2‑1/8"13/16 Wrench18Fine-$2.87/ea
5/8-11 Rod Coupling Gr25/8-11 Rod Coupling Gr25/8"13/16"2‑1/8"15/16 Wrench11Coarse-$1.48/ea
16mm    2.00 Pitch Coupling Nut16mm 2.00 Pitch Coupling Nut16mm-2.0mmCoarseClass 6$3.67/ea
3/4-10 Inspector Coupling Nut3/4-10 Inspector Coupling Nut3/4"2"1" Wrench10Coarse-$3.11/ea
3/4-16 Coupling Nut3/4-16 Coupling Nut3/4"1"2‑1/4"1" Wrench16Fine-$3.83/ea
3/4-10 Rod Coupling Gr23/4-10 Rod Coupling Gr23/4"1"2‑1/4"1‑1/8 Wrench10Coarse-$2.44/ea
7/8-9 Inspector Coupling Nut7/8-9 Inspector Coupling Nut7/8"2‑3/16"1‑1/4 Wrench9Coarse-$4.82/ea
7/8-9 Rod Coupling Gr27/8-9 Rod Coupling Gr27/8"1‑1/4"2‑1/2"1‑1/4 Wrench9Coarse-$2.90/ea
1-8 Rod Coupling Gr21-8 Rod Coupling Gr21"1‑1/4"2‑1/2"8Coarse-$3.21/ea