Coupling Nuts
Available264 products
Coupling nuts act as a junction to connect two male-threaded fasteners. They can also serve as spacers or leveling devices in certain situations. Their increased length and thread engagement reduces thread stripping under heavy loads.
Standard Coupling Nuts
Coupling nuts act as a junction to connect two male-threaded fasteners. They can also serve as spacers or leveling nuts.
Steel
Zinc Plated
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Grade 2 Steel
Zinc Plated
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Hot Dipped Galvanized
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Grade 2H Steel
Black Oxide
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Grade 5 Steel
Black Oxide
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Zinc Plated
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Grade 8 Steel
Zinc Plated
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Grade A Steel
Zinc Plated
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18-8 Stainless Steel
Plain
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Advanced Corrosion Resistance
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316 Stainless Steel
Plain
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Advanced Corrosion Resistance
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Brass
Plain
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Left-Hand Standard Coupling Nuts
Left-hand standard coupling nuts tighten and loosen in the opposite direction of normal coupling nuts. They are used when right-hand threaded fasteners would not work for a specific application.
Grade 2 Steel
Zinc Plated
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Coupling Nuts with Opposite Thread Direction
Coupling nuts with opposite thread directions feature opposing threads on either end. They are used to join male-threaded fasteners that have both left-hand and right-hand threads.
Grade 2 Steel
Zinc Plated
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Reducing Coupling Nuts
Reducing coupler nuts connect male-threaded fasteners with different diameters, like a metric bolt and a standard rod. They can be used as connectors, leveling nuts, or spacers to tighten or spread a fastener assembly.
Grade 2 Steel
Zinc Plated
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Coupling Nuts with Sight-Hole
Coupling nuts with sight-holes provide a quick method to visually verify if a fastener is threaded to the correct depth and the coupling is properly tightened.
Grade 2 Steel
Zinc Plated
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