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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. 2 - 4-1/2 UNC, 4-1/2
    Made In USA
    2 - 4-1/2 UNC, 4-1/2" OAL Steel Standard Coupling Nut MPN:250157
    Special Price $87.79 Regular Price $112.45
  2. 1/4-20 UNC, 7/8
    Coupling Nut Supply
    1/4-20 UNC, 7/8" OAL Steel Standard Coupling Nut MPN:204725
    Special Price $3.99 Regular Price $4.83
  3. 3/8-16 UNC, 1-3/4
    Made In USA
    3/8-16 UNC, 1-3/4" OAL Steel Standard Coupling Nut MPN:204726
    Special Price $7.29 Regular Price $8.93
  4. 1/2-13 UNC, 1-3/4
    Coupling Nut Supply
    1/2-13 UNC, 1-3/4" OAL Steel Standard Coupling Nut MPN:204727
    Special Price $4.99 Regular Price $6.30
  5. 5/8-11 UNC, 2-1/8
    Made In USA
    5/8-11 UNC, 2-1/8" OAL Steel Standard Coupling Nut MPN:204728
    Special Price $7.49 Regular Price $9.26
  6. 3/4-10 UNC, 2-1/4
    Made In USA
    3/4-10 UNC, 2-1/4" OAL Steel Standard Coupling Nut MPN:204729
    Special Price $9.99 Regular Price $12.46
  7. 7/8-9 UNC, 2-1/2
    Coupling Nut Supply
    7/8-9 UNC, 2-1/2" OAL Steel Standard Coupling Nut MPN:204730
    Special Price $15.79 Regular Price $19.79
  8. 1-8 UNC, 2-3/4
    Made In USA
    1-8 UNC, 2-3/4" OAL Steel Standard Coupling Nut MPN:204731
    Special Price $21.79 Regular Price $27.51
  9. 1-1/8 - 7 UNC, 3
    Made In USA
    1-1/8 - 7 UNC, 3" OAL Steel Standard Coupling Nut MPN:204732
    Special Price $28.49 Regular Price $36.10
  10. 1-1/4 - 7 UNC, 3
    Made In USA
    1-1/4 - 7 UNC, 3" OAL Steel Standard Coupling Nut MPN:204733
    Special Price $34.29 Regular Price $43.55
  11. 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:204408
    Special Price $62.79 Regular Price $80.16
  12. 3/8-16 UNC, 1-3/4
    Coupling Nut Supply
    3/8-16 UNC, 1-3/4" OAL Steel Standard Coupling Nut MPN:204736
    Special Price $3.49 Regular Price $4.34
  13. 7/16-14 UNC, 1-3/4
    Coupling Nut Supply
    7/16-14 UNC, 1-3/4" OAL Steel Standard Coupling Nut MPN:204737
    Special Price $6.79 Regular Price $8.33
  14. 1/2-13 UNC, 1-3/4
    Coupling Nut Supply
    1/2-13 UNC, 1-3/4" OAL Steel Standard Coupling Nut MPN:250289
    Special Price $3.79 Regular Price $4.67
  15. 5/8-11 UNC, 2-1/8
    Value Collection
    5/8-11 UNC, 2-1/8" OAL Steel Standard Coupling Nut MPN:250291
    Special Price $4.79 Regular Price $5.92
  16. 3/4-10 UNC, 2-1/4
    Value Collection
    3/4-10 UNC, 2-1/4" OAL Steel Standard Coupling Nut MPN:250293
    Special Price $6.49 Regular Price $8.18
  17. 7/8-9 UNC, 2-1/2
    Coupling Nut Supply
    7/8-9 UNC, 2-1/2" OAL Steel Standard Coupling Nut MPN:250296
    Special Price $12.79 Regular Price $15.88
  18. 1-8 UNC, 2-3/4
    Coupling Nut Supply
    1-8 UNC, 2-3/4" OAL Steel Standard Coupling Nut MPN:202295
    Special Price $13.49 Regular Price $17.04
  19. 1-1/4 - 7 UNC, 3
    Coupling Nut Supply
    1-1/4 - 7 UNC, 3" OAL Steel Standard Coupling Nut MPN:204738
    Special Price $30.29 Regular Price $38.54
  20. M6x1.00 Metric Coarse, 1-1/2
    Coupling Nut Supply
    M6x1.00 Metric Coarse, 1-1/2" OAL Steel Standard Coupling Nut MPN:250441
    Special Price $5.79 Regular Price $6.96
  21. M8x1.25 Metric Coarse, 1-1/2
    Coupling Nut Supply
    M8x1.25 Metric Coarse, 1-1/2" OAL Steel Standard Coupling Nut MPN:204716
    Special Price $4.29 Regular Price $5.29
  22. M10x1.50 Metric Coarse, 1-1/2
    Coupling Nut Supply
    M10x1.50 Metric Coarse, 1-1/2" OAL Steel Standard Coupling Nut MPN:250447
    Special Price $4.79 Regular Price $5.92
  23. M12x1.75 Metric Coarse, 1-1/2
    Coupling Nut Supply
    M12x1.75 Metric Coarse, 1-1/2" OAL Steel Standard Coupling Nut MPN:250450
    Special Price $5.29 Regular Price $6.54
  24. 3/8-24 UNF, 1-1/8
    Coupling Nut Supply
    3/8-24 UNF, 1-1/8" OAL Steel Standard Coupling Nut MPN:250368
    Special Price $3.29 Regular Price $4.05
  25. 7/16-20 UNF, 1-1/4
    Made In USA
    7/16-20 UNF, 1-1/4" OAL Steel Standard Coupling Nut MPN:250373
    Special Price $3.79 Regular Price $4.47
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