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Heavy Hex Nuts and Domestic Nuts

When durability and reliability matter, source your heavy hex nuts from Dyson Corp. We manufacture all of our products in-house at our facility to ensure consistency for every customer, every time.

Why Dyson Corp. for Your Heavy Hex Nut Order?

We manufacture certified domestic nuts for use in sectors such as infrastructure and construction, hydropower, oil and gas, bridges, and other high-strength structural applications. Our proprietary Dyson D-Loc™ nuts support projects with liquid penetration and high vibration resistance.

Each of our products is manufactured from a variety of materials using domestically-poured steel at our Ohio facility. We guarantee you will receive a 100% American-made part for every order.

View our selection of products to find what you need for each job. Need a specific type of nut beyond our standard product offerings? Contact us with the details, and we will manufacture any large diameter nut according to your custom specifications. We have the capabilities to handle the unique needs of each job.

Our Selection of Domestic Nuts

  • Jam Nuts

  • Flange Nuts

  • Square Nuts

  • Dyson D-Loc™ Nuts

  • Locking Nuts

  • Coupler Nuts

  • Custom Nuts

  • Nylon Inserted Nuts

  • Cap Nuts

  • Slotted Nuts

Our D-Loc Nuts Save Time and Money

Dyson D-Loc™ nuts are manufactured to support liquid penetration and high vibration resistance. These nuts can be used for high-strength structural applications.

Available Domestic Nuts Specs


  • Diameters from 1″ through 26″

Typical Standards

  • ASTM A194
  • ASTM A563

Technical Info

  • Threads: UN, UNC, UNR, UNF (all available in Left or Right hand).
  • Materials: Alloy, Stainless, Nitronic, Inconel, Monel, Titanium, Brass, Bronze, Copper, and Exotics.
  • Standard Coatings: Hot Dipped Galvanized, Zinc, Cadmium, Phosphate, and Black Oxide.

What Does American-made Look Like?

Our products are 100% domestically manufactured from USA-poured or DFARS-compliant materials. We don’t use cheaper materials from other sources at any point in the manufacturing process. You can rest assured that your finished part was handled in the U.S. from start to finish.