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Long Tangent U-Bolts & Fig 137 Fasteners


Custom & Standard Long Tangent U-Bolts (Fig 137) | U-Bolt-It

What is a Long Tangent U-Bolt?

A long tangent U-bolt is a specialized U-shaped fastener featuring a curved base and two threaded arms. While they share the same basic profile as standard round U-bolts, long tangent U-bolts feature significantly longer legs and an extended thread length. This extended design allows the bolts to be fastened at various sizes and makes them perfectly suited for mounting to thick structural materials or oversized flanges.

Common Applications and Industries

Because of their extended length and threading, long tangent U-bolts are highly recommended for supporting heavy-duty loads. Our corrosion-resistant fasteners are designed to hold pipes securely in place, even in harsh environments. Common applications include:

  • Suspension of heavy pipes, tubes, and conduits from ceilings, walls, or poles.
  • Power Generation Industry: Securing critical infrastructure and heavy piping.
  • Marine Industry: Anchoring components in highly corrosive, moisture-rich environments.

Available Materials and Finishes

To ensure long-lasting durability in demanding environments, our extensive inventory of long tangent U-bolts is available in a variety of industrial-grade materials and finishes, including:

  • 304 Stainless Steel
  • 316 Stainless Steel
  • Low Carbon Steel
  • Galvanized Steel
  • Zinc-Plated Steel

Custom Manufacturing by U-Bolt-It

U-Bolt-It is the premium manufacturer of standard and custom long tangent U-bolts, including specialized Fig 137 U-bolts. While we offer all standard sizes in our inventory, you can trust our manufacturing team to engineer and create the perfect custom fastener for your unique project applications.

We pride ourselves on offering custom sizes, world-class customer service, and rapid turnaround times to keep your project on schedule.

Request a Quote Today

Have a question about our manufactured long tangent U-bolts? Contact our team directly by phone or by using our secure online form. We look forward to speaking with you!

Types of Long Tangent U-Bolts


Filter By:
SKU NAME COATING/PLATING DETAILS
UBLT1002800 1-8 X 28 LONG TANGENT U-BOLT 28 PIPE ZINC PLATED ZINC PLATED
UBLTGA0310100 5/16-18 X 1 LONG TANGENT U-BOLT 1 PIPE GALVANIZED GALVANIZED
UBLTGA0370250 3/8-16 X 2 1/2 LONG TANGENT U-BOLT FOR 2 1/2 PIPE GALVANIZED GALVANIZED
UBLTGA0370300 3/8-16 X 3 LONG TANGENT U-BOLT 3 PIPE GALVANIZED GALVANIZED
UBLTGA037075 3/8-16 X 3/4 LONG TANGENT U-BOLT 3/4 PIPE GALVANIZED GALVANIZED
UBLTGA0500600 1/2-13 X 6 LONG TANGENT U-BOLT 6 PIPE GALVANIZED GALVANIZED
UBLTGA050350 1/2-13 X 3 1/2 LONG TANGENT U-BOLT 3 1/2 PIPE GALVANIZED GALVANIZED
UBLTGA0751200 3/4-10 X 12 LONG TANGENT U-BOLT 12 PIPE GALVANIZED GALVANIZED
UBLTGA1002800 1-8 X 28 LONG TANGENT U-BOLT 28 PIPE GALVANIZED GALVANIZED
UBLTGA1003200 1-8 X 32 LONG TANGENT U-BOLT 32 PIPE GALVANIZED GALVANIZED
UBLTGA1003400 1-8 X 34 LONG TANGENT U-BOLT 34 PIPE GALVANIZED GALVANIZED
UBLTGA1004000 1-8 X 40 LONG TANGENT U-BOLT 40 PIPE GALVANIZED GALVANIZED
UBLTSS0250200 1/4-20 X 2 304 STAINLESS STEEL LONG TANGENT U-BOLT 2 PIPE NONE
UBLTSS0370250 3/8-16 X 2 1/2 304 STAINLESS STEEL LONG TANGENT U-BOLT FOR 2 1/2 PIPE NONE
UBLTSS0921400 7/8-9 X 14 304 STAINLESS STEEL LONG TANGENT U-BOLT 14 PIPE NONE
UBLTSS1002800 1-8 X 28 304 STAINLESS STEEL LONG TANGENT U-BOLT 28 PIPE NONE
UBLT3S0250150 1/4-20 X 1 1/2 316 STAINLESS STEEL LONG TANGENT U-BOLT 1 1/2 PIPE NONE
UBLT3S0250200 1/4-20 X 2 316 STAINLESS STEEL LONG TANGENT U-BOLT FOR 2 PIPE NONE
UBLT3S0370250 3/8-16 X 2 1/2 316 STAINLESS STEEL LONG TANGENT U-BOLT 2 1/2 PIPE NONE
UBLT3S0370300 3/8-16 X 3 316 STAINLESS STEEL LONG TANGENT U-BOLT 3 PIPE NONE
UBLT3S0751400 3/4-10 X 14 316 STAINLESS STEEL LONG TANGENT U-BOLT 14 PIPE NONE
UBLT3S1002800 1-8 X 28 316 STAINLESS STEEL LONG TANGENT U-BOLT 28 PIPE NONE
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