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THREADED ROD

Threaded Rod

All threaded rod is available in different lengths depending on the material. For basic stainless such as 18-8 (304, ASTM A194 B8) or 316 (ASTM A194 B8M), 6′ and 12′ lengths are standard. On most other non ferrous materials, the lengths will vary. The mills that produce round bar in these materials usually ship variable lengths ranging from 10′ to 20′. Additionally, in the cut threading process, a few inches of thread is lost because it is needed to grip onto the bar. Lengths in our inventory will vary and some pieces may have a butt-end. We will cut all threaded rod to simplify handling and prevent damage in shipping. Our standard shipping tubes are designed to handle 3′ or 6′ pieces.

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Specifications

Get our specifications and technical data information.

Dimensions

 
Nominal Size Diameter, D Threads Per Inch Umax = 2 Thread Pitches = 2P
UNC UNF 8UN UNC Threads UNF Threads 8UN Threads
1/4 0.2500 20 28 — 0.100 0.071 —
5/16 0.3125 18 24 — 0.111 0.083 —
3/8 0.3750 16 24 — 0.125 0.083 —
7/16 0.4375 14 20 — 0.143 0.100 —
1/2 0.5000 13 20 — 0.154 0.100 —
9/16 0.5625 12 18 — 0.167 0.111 —
5/8 0.6250 11 18 — 0.182 0.111 —
3/4 0.7500 10 16 — 0.200 0.125 —
7/8 0.8750 9 14 — 0.222 0.143 —
1 1.0000 8 12 — 0.250 0.167 —
1 1/8 1.1250 7 12 8 0.286 0.167 0.250
1 1/4 1.2500 7 12 8 0.286 0.167 0.250
1 3/8 1.3750 6 12 8 0.333 0.167 0.250
1 1/2 1.5000 6 12 8 0.333 0.167 0.250
1 5/8 1.6250 — — 8 — — 0.250
1 3/4 0.1750 5 — 8 0.400 — 0.250
1 7/8 1.8750 — — 8 — — 0.250
2 2.0000 4 1/2 — 8 0.444 — 0.250
2 1/4 2.2500 4 1/2 — 8 0.444 — 0.250
2 1/2 2.5000 4 — 8 0.500 — 0.250
2 3/4 2.7500 4 — 8 0.500 — 0.250
3 3.0000 4 — 8 0.500 — 0.250
3 1/4 3.2500 4 — 8 0.500 — 0.250
3 1/2 3.5000 4 — 8 0.500 — 0.250
3 3/4 3.7500 4 — 8 0.500 — 0.250
4 4.0000 4 — 8 0.500 — 0.250

Threaded Rods Specifications

  • STANDARD (ASME/ANSI)
  • METRIC (IFI)
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In-stock

THREADED ROD Available Materials

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Product Overview

Get our product definition & description for threaded rods along with applications & industries that use them.

What is a Threaded Rod

A threaded rod is a long metal rod that is fully threaded with threads long its entire length. It does not have a head.

Thread Types

  • UNC Threads (Unified National Coarse threads):  This thread type uses standard units and has fewer threads per inch. It is more tolerant to dirt & damage. It is used for for general purpose fastening.
  • UNF Threads (Unified National Fine Threads): This thread type uses standard units and has more threads per inch. It is better for more precise applications and higher strength.
  • ISO Metric Threads: This thread types uses metric units and offers but coarse & fine variants. The M coarse and M fine are the two designations.
  • ACME Threads: These are trapezoidal profile threads are thicker, stronger & provide a smoother motion. They are also more durable & resistant to wear.

Applications & Industries

High-temperature & High-Pressure Fastening (e.g., turbine systems & reactors)

Corrosion-Resistant Fastening in Aggressive Chemical Environments

Cryogenic and Aerospace Structural Assemblies

  • Threaded rods maintains structural integrity under extreme cold and high=vibration conditions, such as spacecraft or jet engines.
  • Materials: A286, Waspaloy, & Titanium Grade 5
  • Industries: Aerospace and defense, space exploration, and cryogenics & liquefied gas systems

Geothermal and Subsurface Equipment Fastening

Precision Medical Equipment and Implants

  • Threaded rods are used in surgical devices, dental implants, and bio-compatible fixtures.
  • Materials: Titanium Grade 2, and Tantalum
  • Industries: Medical device manufacturing, orthopedic surgery, and dental & implantology

Contact us today to request a customized quote—let’s equip your project with precision-engineered, exotic alloy heavy hex nuts built to perform.

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Industries We Serve

Nickel Systems provides high quality exotic grade materials that hold up in the toughest, most severe heat and corrosive environments. With our large inventory of specialty fasteners in stock, we are always ready to answer the call to serve the most challenging applications.

Nickel Systems stocks all threaded rod in Hastelloy® C276 (Alloy C276), Carpenter® 20 (Alloy 20) and Duplex 2205. Other materials currently in threaded rod inventory include Alloy C22, Monel® (Alloy 400, Alloy 500), Nitronic® 60 (A193 B8S), 18-8 Stainless (304, ASTM A194 B8), 316 (ASTM A194 B8M) and 310 Stainless.

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