Coupling Nuts

Coupling nuts are elongated hexagonal nuts used to connect two threaded rods or other threaded fasteners, extending their length

Clear all
1/4-20 x 1-3/4" Steel Coupling Nuts Galvanzied
Choose options

1/4-20 x 1-3/4" Steel Coupling Nuts Galvanzied

From $18.01
From $18.01
1/4-20 x 1-3/4" Steel Coupling Nuts Zinc
Choose options

1/4-20 x 1-3/4" Steel Coupling Nuts Zinc

From $18.96
From $18.96
#10-24 x 3/4" Steel Coupling Nuts Zinc
Choose options

#10-24 x 3/4" Steel Coupling Nuts Zinc

From $22.85
From $22.85
5/16"-18 x 1-3/4" Steel Coupling Nuts Zinc
Choose options

5/16"-18 x 1-3/4" Steel Coupling Nuts Zinc

From $13.69
From $13.69
3/8"-16 x 1-3/4" Steel Coupling Nuts Zinc
Choose options

3/8"-16 x 1-3/4" Steel Coupling Nuts Zinc

From $12.64
From $12.64
3/8"-16 X 1-3/4" Steel Coupling Nuts Galvanzied
Choose options

3/8"-16 X 1-3/4" Steel Coupling Nuts Galvanzied

From $20.87
From $20.87
5/16-18 X 1-3/4" Steel Coupling Nuts Galvanzied
Choose options

5/16-18 X 1-3/4" Steel Coupling Nuts Galvanzied

From $11.33
From $11.33
7/16"-14 x 1-3/4" Steel Coupling Nuts Zinc
Choose options

7/16"-14 x 1-3/4" Steel Coupling Nuts Zinc

From $14.51
From $14.51
1/2"-13 x 1-3/4" Steel Coupling Nuts Zinc
Choose options

1/2"-13 x 1-3/4" Steel Coupling Nuts Zinc

From $14.35
From $14.35
1/2"-13 X 1-3/4" Steel Coupling Nuts Galvanzied
Choose options

1/2"-13 X 1-3/4" Steel Coupling Nuts Galvanzied

From $22.52
From $22.52
7/16"-14 X 1-3/4" Steel Coupling Nuts Galvanzied
Choose options

7/16"-14 X 1-3/4" Steel Coupling Nuts Galvanzied

From $12.67
From $12.67
5/8"-11 x 2-1/8" Steel Coupling Nuts Zinc
Choose options

5/8"-11 x 2-1/8" Steel Coupling Nuts Zinc

From $15.22
From $15.22
3/4"-10 x 2-1/4" Steel Coupling Nuts Zinc
Choose options

3/4"-10 x 2-1/4" Steel Coupling Nuts Zinc

From $11.54
From $11.54
5/8-11 X 2-1/8" Steel Coupling Nuts Galvanzied
Choose options

5/8-11 X 2-1/8" Steel Coupling Nuts Galvanzied

From $20.21
From $20.21
3/4"-10 X 2-1/4" Steel Coupling Nuts Galvanzied
Choose options

3/4"-10 X 2-1/4" Steel Coupling Nuts Galvanzied

From $12.40
From $12.40
7/8"-9 x 2-1/2" Steel Coupling Nuts Zinc
Choose options

7/8"-9 x 2-1/2" Steel Coupling Nuts Zinc

From $9.77
From $9.77
7/8"-9 X 2-1/2" Steel Coupling Nuts Galvanzied
Choose options

7/8"-9 X 2-1/2" Steel Coupling Nuts Galvanzied

From $12.40
From $12.40
1-8 x 2-3/4" Steel Coupling Nuts Zinc
Choose options

1-8 x 2-3/4" Steel Coupling Nuts Zinc

From $12.05
From $12.05
1"-8 X 2-3/4" Steel Coupling Nuts Galvanzied
Choose options

1"-8 X 2-3/4" Steel Coupling Nuts Galvanzied

From $16.30
From $16.30
1/4"-28 X 7/8" Steel Coupling Nuts Zinc
Choose options

1/4"-28 X 7/8" Steel Coupling Nuts Zinc

From $16.26
From $16.26
5/16"-24 X 7/8" Steel Coupling Nuts Zinc
Choose options

5/16"-24 X 7/8" Steel Coupling Nuts Zinc

From $12.83
From $12.83
3/8-24 X 1-1/8" Steel Coupling Nuts Zinc
Choose options

3/8-24 X 1-1/8" Steel Coupling Nuts Zinc

From $15.71
From $15.71
1/2"-20 x 1-1/4" Steel Coupling Nuts Zinc
Choose options

1/2"-20 x 1-1/4" Steel Coupling Nuts Zinc

From $18.74
From $18.74
7/16"-20 X 1-1/4" Steel Coupling Nuts Zinc
Choose options

7/16"-20 X 1-1/4" Steel Coupling Nuts Zinc

From $13.12
From $13.12
5/8"-18 X 2-1/8" Steel Coupling Nuts Zinc
Choose options

5/8"-18 X 2-1/8" Steel Coupling Nuts Zinc

From $15.58
From $15.58
3/4"-16 X 2-1/4" Steel Coupling Nuts Zinc
Choose options

3/4"-16 X 2-1/4" Steel Coupling Nuts Zinc

From $11.77
From $11.77
7/8"-14 X 2-1/2" Steel Coupling Nuts Zinc
Choose options

7/8"-14 X 2-1/2" Steel Coupling Nuts Zinc

From $11.29
From $11.29
1/4-20 x 7/8" 18-8 Stainless Steel Coupling Nuts
Choose options

1/4-20 x 7/8" 18-8 Stainless Steel Coupling Nuts

From $15.52
From $15.52
5/16-18 x1" 18-8 Stainless Steel Coupling Nuts
Choose options

5/16-18 x1" 18-8 Stainless Steel Coupling Nuts

From $18.72
From $18.72
3/8-16 x1-1/8" 18-8 Stainless Steel Coupling Nuts
Choose options

3/8-16 x1-1/8" 18-8 Stainless Steel Coupling Nuts

From $24.88
From $24.88
7/16-14x1-1/4" 18-8 Stainless Steel Coupling Nuts
Choose options

7/16-14x1-1/4" 18-8 Stainless Steel Coupling Nuts

From $10.42
From $10.42
1/2-13x1-1/4" 18-8 Stainless Steel Coupling Nuts
Choose options

1/2-13x1-1/4" 18-8 Stainless Steel Coupling Nuts

From $16.43
From $16.43
5/8-11x1-3/4" 18-8 Stainless Steel Coupling Nuts
Choose options

5/8-11x1-3/4" 18-8 Stainless Steel Coupling Nuts

From $27.37
From $27.37
1-8x2-1/2" 18-8 Stainless Steel Coupling Nuts
Choose options

1-8x2-1/2" 18-8 Stainless Steel Coupling Nuts

From $35.48
From $35.48
7/8-9x2-1/2" 18-8 Stainless Steel Coupling Nuts
Choose options

7/8-9x2-1/2" 18-8 Stainless Steel Coupling Nuts

From $36.26
From $36.26
3/4-10x2" 18-8 Stainless Steel Coupling Nuts
Choose options

3/4-10x2" 18-8 Stainless Steel Coupling Nuts

From $39.40
From $39.40
1/4-20x7/8" 316 Stainless Steel Coupling Nuts
Choose options

1/4-20x7/8" 316 Stainless Steel Coupling Nuts

From $62.01
From $62.01
5/16-18x1" 316 Stainless Steel Coupling Nuts
Choose options

5/16-18x1" 316 Stainless Steel Coupling Nuts

From $69.84
From $69.84
3/8-16x1 1/8" 316 Stainless Steel Coupling Nuts
Choose options

3/8-16x1 1/8" 316 Stainless Steel Coupling Nuts

From $62.42
From $62.42
7/16-14x1 1/4" 316 Stainless Steel Coupling Nuts
Choose options

7/16-14x1 1/4" 316 Stainless Steel Coupling Nuts

From $68.10
From $68.10
1/2-13x1 1/4" 316 Stainless Steel Coupling Nuts
Choose options

1/2-13x1 1/4" 316 Stainless Steel Coupling Nuts

From $60.42
From $60.42
5/8-11x1 3/4" 316 Stainless Steel Coupling Nuts
Choose options

5/8-11x1 3/4" 316 Stainless Steel Coupling Nuts

From $53.14
From $53.14
3/4-10x2" 316 Stainless Steel Coupling Nuts
Choose options

3/4-10x2" 316 Stainless Steel Coupling Nuts

From $38.57
From $38.57
7/8-9x2 1/2" 316 Stainless Steel Coupling Nuts
Choose options

7/8-9x2 1/2" 316 Stainless Steel Coupling Nuts

From $34.22
From $34.22
1-8x2 1/2" 316 Stainless Steel Coupling Nuts
Choose options

1-8x2 1/2" 316 Stainless Steel Coupling Nuts

From $42.51
From $42.51
1/2"-13 to 3/8"-16 x 1-1/4" Grade A Reducer Coupling Nuts Zinc
Choose options

1/2"-13 to 3/8"-16 x 1-1/4" Grade A Reducer Coupling Nuts Zinc

From $15.15
From $15.15
3/8"-16 to 1/4"-20 x 1" Grade A Reducer Coupling Nuts Zinc
Choose options

3/8"-16 to 1/4"-20 x 1" Grade A Reducer Coupling Nuts Zinc

From $9.54
From $9.54
5/8"-11 to 1/2"-13 x 1-1/4" Grade A Reducer Coupling Nuts Zinc
Choose options

5/8"-11 to 1/2"-13 x 1-1/4" Grade A Reducer Coupling Nuts Zinc

From $25.06
From $25.06
3/4"-10 to 5/8"-11 x 1-1/2" Grade A Reducer Coupling Nuts Zinc
Choose options

3/4"-10 to 5/8"-11 x 1-1/2" Grade A Reducer Coupling Nuts Zinc

From $10.87
From $10.87
M8-1.25x24 Class 6 Coupling Nuts Zinc
Choose options

M8-1.25x24 Class 6 Coupling Nuts Zinc

From $7.50
From $7.50