Studs and Nuts

Studs are threaded rods — typically without a head — used to create strong, reliable bolted joints. When paired with heavy hex nuts, they form critical connections that can withstand intense mechanical stress, thermal expansion, and chemical exposure. These fasteners play a vital role in the integrity and safety of large-scale industrial systems.

At INDUSTRIAL FASTENERS DIRECT, we offer studs and nuts as follows:

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ASTM A193 B7 studs paired with ASTM A194 2H heavy hex nuts​

• Size Range:
  Available in a variety of lengths and diameters up to 4".

• Coatings & Plating Options:

  • Teflon

  • Yellow cadmium

  • Silver cadmium

  • Zinc plating

  • Hot-dip galvanizing

• Industries Served:

  • Construction

  • Refining

  • Power generation

  • Chemical processing

• Additional Grades Available:
  We also supply a wide range of less common stud grades for specialized applications such as B8, B8M, and L7.​

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Key Applications by Industry

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• 🏗️ Construction
  Studs and nuts are used to secure structural steel, assemble flanged joints, and anchor heavy equipment. In bridges, buildings, and infrastructure, they provide the high-strength, long-lasting connections needed for stability and load bearing.

• ⚡ Power Generation
  Whether in fossil fuel, nuclear, or renewable plants, fasteners are essential for bolting together pressure vessels, turbines, heat exchangers, and piping systems — all while enduring high heat, vibration, and corrosion.

• 🛢️ Refining & Petrochemical
  In oil and gas facilities, studs and nuts are relied on for flanged pipe connections, reactors, and pressure-containing equipment. Coatings are often specified to resist corrosive chemicals and extreme temperatures found in process environments.