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Free shipping on orders $250 and up!

Coupling Nuts

  • 1/2"-13 x 1-3/4" 18-8 Stainless Steel Coarse Thread Coupling Nuts
    $16.67 - $70.51
    $16.67 - $70.51
    $16.67 - $70.51
    $16.67

    1/2"-13 x 1-1/4" 18-8 Stainless Steel Coarse Thread Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Length: 1-1/4"Material: Stainless SteelDriver Type: 5/8" WrenchThread Size: 13 (Coarse)Hardness: 18-8Type: Coupling NutA coupling nut...

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    $16.67 - $70.51
    $16.67 - $70.51
    $16.67 - $70.51
    $16.67
  • 1/2"-13 x 1-1/2" Zinc Plated Steel Coarse Thread Inspection Hole Coupling Nuts
    $27.13 - $27.13
    $27.13
    $27.13 - $27.13
    $27.13

    1/2"-13 x 1-1/2" Zinc Inspection Hole Coupling Nuts (25 pcs.)

    Monster Fastener
    Only 9 left!

    Diameter: 1/2"Length: 1-1/2"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 13 (Coarse)Style: Inspection Hole and StopType: Coupl...

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    $27.13 - $27.13
    $27.13
    $27.13 - $27.13
    $27.13
  • 1/2"-13 x 1-3/4" Hot Dip Galvanized Steel Coarse Thread Coupling Nuts
    $37.99 - $37.99
    $37.99
    $37.99 - $37.99
    $37.99

    1/2"-13 x 1-3/4" Hot Dip Galvanized Coupling Nuts (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Length: 1-3/4"Material: SteelFinish: Hot Dip GalvanizedDriver Type: 7/8" WrenchThread Size: 13 (Coarse)Type: Coupling NutBox of 25.A ...

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    $37.99 - $37.99
    $37.99
    $37.99 - $37.99
    $37.99
  • 1/2"-13 x 1-3/4" Hot Dip Galvanized Steel Coarse Thread Inspection Hole Coupling Nuts
    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42

    1/2"-13 x 1-3/4" Hot Dip Galvanized Inspection Hole Coupling Nuts (20 pcs.)

    Monster Fastener
    Only 7 left!

    Diameter: 1/2"Length: 1-3/4"Material: SteelFinish: Hot Dip GalvanizedDriver Type: 7/8" WrenchThread Size: 13 (Coarse)Style: Inspection HoleType: Co...

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    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42
  • 1/2"-13 x 11/16" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $15.61 - $15.61
    $15.61
    $15.61 - $15.61
    $15.61

    1/2"-13 x 11/16" x 1-3/4" Zinc Rod Coupling Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 11/16"Length: 1-3/4"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 13 (Coarse)Style: HexType: Coupling...

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    $15.61 - $15.61
    $15.61
    $15.61 - $15.61
    $15.61
  • 1/2"-13 x 11/16" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $15.21 - $57.96
    $15.21 - $57.96
    $15.21 - $57.96
    $15.21

    1/2"-13 x 11/16" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 11/16"Length: 1-3/4"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 13 (Coarse)Style: HexType: Coupling...

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    $15.21 - $57.96
    $15.21 - $57.96
    $15.21 - $57.96
    $15.21