Skip to content
Free shipping on orders $250 and up!
Free shipping on orders $250 and up!

Coupling Nuts

  • 5/8"-11 x 1-7/8" Zinc Plated Steel Coarse Thread Inspection Hole Coupling Nuts
    $26.87 - $26.87
    $26.87
    $26.87 - $26.87
    $26.87

    5/8"-11 x 1-7/8" Zinc Inspection Hole Coupling Nuts CPLNT-121 (20 pcs.)

    Monster Fastener
    Only 9 left!

    Diameter: 5/8"Length: 1-7/8"Material: SteelFinish: ZincDriver Type: 13/16" WrenchThread Size: 11 (Coarse)Style: Inspection Hole and StopType: Coupl...

    View full details
    $26.87 - $26.87
    $26.87
    $26.87 - $26.87
    $26.87
  • 5/8" to 1/2" x 1-1/2" Hot Dip Galvanized Steel Coupling Nuts
    $48.92 - $48.92
    $48.92
    $48.92 - $48.92
    $48.92

    5/8" to 1/2" x 1-1/2" Hot Dip Galvanized Steel Coupling Nuts (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1/2"Length: 1-1/2"Material: SteelFinish: Hot Dip GalvanizedDriver Type: 13/16" WrenchStyle: ReducerType: Coupling NutBox ...

    View full details
    $48.92 - $48.92
    $48.92
    $48.92 - $48.92
    $48.92
  • 5/8"-11 x 13/16" x 2-1/8" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $15.46 - $15.46
    $15.46
    $15.46 - $15.46
    $15.46

    5/8"-11 x 13/16" x 2-1/8" Zinc Rod Coupling Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 13/16"Length: 2-1/8"Material: SteelFinish: ZincDriver Type: 13/16" WrenchThread Size: 11 (Coarse)Style: HexType: Coupling...

    View full details
    $15.46 - $15.46
    $15.46
    $15.46 - $15.46
    $15.46
  • 5/8"-18 x 2-1/8" 18-8 Stainless Steel Fine Thread Coupling Nuts
    $28.98 - $56.77
    $28.98 - $56.77
    $28.98 - $56.77
    $28.98

    5/8"-18 x 2-1/8" 18-8 Stainless Steel Fine Thread Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Length: 2-1/8"Material: Stainless SteelDriver Type: 13/16" WrenchThread Size: 18 (Fine)Hardness: 18-8Type: Coupling NutA coupling nut...

    View full details
    $28.98 - $56.77
    $28.98 - $56.77
    $28.98 - $56.77
    $28.98
  • 5/8"-11 x 13/16" x 2-1/8" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $15.33 - $50.20
    $15.33 - $50.20
    $15.33 - $50.20
    $15.33

    5/8"-11 x 13/16" x 2-1/8" Zinc Plated Steel Coarse Thread Rod Coupling Nuts CPLNT2-067

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 13/16"Length: 2-1/8"Material: SteelFinish: ZincDriver Type: 13/16" WrenchThread Size: 11 (Coarse)Style: HexType: Coupling...

    View full details
    $15.33 - $50.20
    $15.33 - $50.20
    $15.33 - $50.20
    $15.33