Stud Bolt
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Stud Bolt

  • Carbon Steel, Stainless Steel, Brass
  • Continuous Thread, Double-End, Flange, and Welding Types
  • Different Thread Types Available

Category

Stud Bolts are externally threaded fasteners without a head, designed to be used with two nuts—one on each end. They serve as a reliable alternative to conventional bolt-and-nut assemblies, particularly in applications requiring high clamping forces or where space is limited, such as in flanged piping systems and pressure vessels.

We manufacture stud bolts in both metric and inch sizes, supporting a wide variety of thread types including ISO Metric, UNC, UNF, UN, and ACME. Available materials range from carbon steel and stainless steel to brass and specialized alloys, ensuring compatibility with diverse operational environments.

Our stud bolts are produced in compliance with major international standards, such as ANSI/ASME B16.5, DIN 976, and DIN 2510, among others.

Depending on the threading pattern and design, we offer the following types of stud bolts:

Continuous Thread Stud (Fully Threaded)

  • Threads run uniformly along the entire length of the stud.

  • Typically supplied without chamfered ends.

Double-End Stud (Tap End Type – Unequal Threads)

  • Feature unequal thread lengths at each end, with an unthreaded center portion.

  • One end (the “tap end”) is designed to screw into a tapped hole, while the other (the “nut end”) receives a nut.

Double-End Stud (Clamping Type – Equal Threads)

  • Have equal thread lengths on both ends, with a plain, unthreaded center section.

Double-End Stud  with Reduced Shank

  • Similar to standard double-end studs, but the center shank diameter is reduced to be smaller than the nominal thread diameter.

Flange Stud (Fully Threaded with Chamfered Ends)

  • Exclusively used in flange connections.

  • Fully threaded along the length, with chamfered ends for easy nut engagement.

  • Unlike standard continuous thread studs, the theoretical length is measured from the first thread to the last thread.

Welding Stud (per DIN 525)

  • Designed with one end for welding onto a support or base material, and the other end threaded to receive a nut.

  • Primarily manufactured in accordance with DIN 525.

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