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Coupling Nuts

Shop for Coupling Nuts on GoVets.

Complete your project today.

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GoVets has the perfect solution for your project needs: Coupling Nuts in the Nuts category. These nuts are used to connect two pieces of threaded rod, pipe, or other male threaded fasteners. They are made of steel and come in a variety of sizes and finishes. Coupling Nuts are designed to provide a secure connection and are easy to install. Shop today and get the Coupling Nuts you need to complete your project.

Browse products in this category:


  1. M12x1.75 Metric Coarse, 1-1/2
    Coupling Nut Supply
    M12x1.75 Metric Coarse, 1-1/2" OAL Stainless Steel Standard Coupling Nut MPN:204597
    Special Price $12.79 Regular Price $17.09
  2. 1-1/2 - 6 UNC, 3-1/2
    Coupling Nut Supply
    1-1/2 - 6 UNC, 3-1/2" OAL Steel Standard Coupling Nut MPN:250306
    Special Price $40.29 Regular Price $51.08
  3. 1-3/4 - 5 UNC, 5
    Coupling Nut Supply
    1-3/4 - 5 UNC, 5" OAL Steel Standard Coupling Nut MPN:250308
    Special Price $81.29 Regular Price $103.89
  4. 1/4-20 UNC, 5/8
    Gibraltar
    1/4-20 UNC, 5/8" OAL Steel Standard Coupling Nut MPN:41501G
    Special Price $2.99 Regular Price $4.31
  5. 5/16-18 UNC, 7/8
    Gibraltar
    5/16-18 UNC, 7/8" OAL Steel Standard Coupling Nut MPN:41502G
    Special Price $3.29 Regular Price $4.50
  6. 3/8-16 UNC, 1
    Gibraltar
    3/8-16 UNC, 1" OAL Steel Standard Coupling Nut MPN:41503G
    Special Price $2.79 Regular Price $3.34
  7. 1/2-13 UNC, 1-1/4
    Gibraltar
    1/2-13 UNC, 1-1/4" OAL Steel Standard Coupling Nut MPN:41505G
    Special Price $3.49 Regular Price $4.14
  8. 5/8-11 UNC, 1-5/8
    Gibraltar
    5/8-11 UNC, 1-5/8" OAL Steel Standard Coupling Nut MPN:41506G
    Special Price $4.99 Regular Price $6.26
  9. 3/4-10 UNC, 1-7/8
    Gibraltar
    3/4-10 UNC, 1-7/8" OAL Steel Standard Coupling Nut MPN:41507G
    Special Price $6.79 Regular Price $8.53
  10. 7/8-9 UNC, 2-1/4
    Gibraltar
    7/8-9 UNC, 2-1/4" OAL Steel Standard Coupling Nut MPN:41508G
    Special Price $12.29 Regular Price $15.27
  11. 1-8 UNC, 2-1/2
    Gibraltar
    1-8 UNC, 2-1/2" OAL Steel Standard Coupling Nut MPN:41509G
    Special Price $15.29 Regular Price $17.70
  12. M24x3.00 Metric Coarse, 64mm OAL Steel Standard Coupling Nut MPN:61507
    TE-CO
    M24x3.00 Metric Coarse, 64mm OAL Steel Standard Coupling Nut MPN:61507
    Special Price $19.79 Regular Price $20.76
  13. M6x1.00 Thread, 18mm OAL Steel Standard Coupling Nut MPN:23090.0006
    Gibraltar
    M6x1.00 Thread, 18mm OAL Steel Standard Coupling Nut MPN:23090.0006
    Special Price $2.79 Regular Price $3.41
  14. M8x1.25 Thread, 24mm OAL Steel Standard Coupling Nut MPN:23090.0008
    Gibraltar
    M8x1.25 Thread, 24mm OAL Steel Standard Coupling Nut MPN:23090.0008
    Special Price $3.29 Regular Price $3.83
  15. M10x1.50 Thread, 30mm OAL Steel Standard Coupling Nut MPN:23090.0010
    Gibraltar
    M10x1.50 Thread, 30mm OAL Steel Standard Coupling Nut MPN:23090.0010
    Special Price $3.79 Regular Price $4.47
  16. M12x1.75 Thread, 36mm OAL Steel Standard Coupling Nut MPN:23090.0012
    Gibraltar
    M12x1.75 Thread, 36mm OAL Steel Standard Coupling Nut MPN:23090.0012
    Special Price $4.29 Regular Price $5.41
  17. M14x2.00 Thread, 42mm OAL Steel Standard Coupling Nut MPN:23090.0014
    Gibraltar
    M14x2.00 Thread, 42mm OAL Steel Standard Coupling Nut MPN:23090.0014
    Special Price $7.49 Regular Price $9.49
  18. M16x2.00 Thread, 48mm OAL Steel Standard Coupling Nut MPN:23090.0016
    Gibraltar
    M16x2.00 Thread, 48mm OAL Steel Standard Coupling Nut MPN:23090.0016
    Special Price $7.79 Regular Price $9.14
  19. M20x2.50 Thread, 60mm OAL Steel Standard Coupling Nut MPN:23090.0020
    Gibraltar
    M20x2.50 Thread, 60mm OAL Steel Standard Coupling Nut MPN:23090.0020
    Special Price $13.49 Regular Price $17.04
  20. M24x3.00 Thread, 72mm OAL Steel Standard Coupling Nut MPN:23090.0024
    Gibraltar
    M24x3.00 Thread, 72mm OAL Steel Standard Coupling Nut MPN:23090.0024
    Special Price $20.79 Regular Price $26.33
  21. M18x2.50 Thread, 54mm OAL Steel Standard Coupling Nut MPN:23090S002
    Gibraltar
    M18x2.50 Thread, 54mm OAL Steel Standard Coupling Nut MPN:23090S002
    Special Price $22.79 Regular Price $28.79
  22. 1/4-20 Thread, 7/8
    Empire
    1/4-20 Thread, 7/8" OAL Steel Standard Coupling Nut MPN:51G0025
    Special Price $1.72 Regular Price $2.25
  23. 3/8-16 Thread, 1-3/4
    Empire
    3/8-16 Thread, 1-3/4" OAL Steel Standard Coupling Nut MPN:51G0038
    Special Price $2.29 Regular Price $2.71
  24. 1/2-13 Thread, 1-3/4
    Empire
    1/2-13 Thread, 1-3/4" OAL Steel Standard Coupling Nut MPN:51G0050
    Special Price $2.29 Regular Price $2.84
  25. 5/8-11 Thread, 2-1/8
    Empire
    5/8-11 Thread, 2-1/8" OAL Steel Standard Coupling Nut MPN:51G0058
    Special Price $4.29 Regular Price $5.26
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