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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


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SKU NAME DIAMETER AND THREAD PITCH PIPE SIZE COATING/PLATING DETAILS
ublt3s1002000 1-8 X 20 316 STAINLESS STEEL LONG TANGENT U-BOLT 20 PIPE 1 X 820316 STAINLESS STEEL
ublt3s1002400 1-8 X 24 316 STAINLESS STEEL LONG TANGENT U-BOLT 24 PIPE 1 X 824316 STAINLESS STEEL
ublt3s1003000 1-8 X 30 316 STAINLESS STEEL LONG TANGENT U-BOLT 30 PIPE 1 X 830316 STAINLESS STEEL
ubltss1003600 1-8 X 36 304 STAINLESS STEEL LONG TANGENT U-BOLT 36 PIPE 1 X 836304 STAINLESS STEEL
UBLT3S1001800 1-8 X 18 316 STAINLESS STEEL LONG TANGENT U-BOLT 18 PIPE 1 X 818316 STAINLESS STEEL
ubltss1003000 1-8 X 30 304 STAINLESS STEEL LONG TANGENT U-BOLT 30 PIPE 1 X 830304 STAINLESS STEEL
ubltss1002400 1-8 X 24 304 STAINLESS STEEL LONG TANGENT U-BOLT 24 PIPE 1 X 824304 STAINLESS STEEL
ubltss1002000 1-8 X 20 304 STAINLESS STEEL LONG TANGENT U-BOLT 20 PIPE 1 X 820304 STAINLESS STEEL
ubltss1001800 1-8 X 18 304 STAINLESS STEEL LONG TANGENT U-BOLT 18 PIPE 1 X 818304 STAINLESS STEEL
ubltga1003600 1-8 X 36 LONG TANGENT U-BOLT 36 PIPE GALVANIZED 1 X 836GALVANIZED
ublt3s1003600 1-8 X 36 316 STAINLESS STEEL LONG TANGENT U-BOLT 36 PIPE 1 X 836316 STAINLESS STEEL
ubltga1003000 1-8 X 30 LONG TANGENT U-BOLT 30 PIPE GALVANIZED 1 X 830GALVANIZED
UBLTGA1002400 1-8 X 24 LONG TANGENT U-BOLT 24 PIPE GALVANIZED 1 X 824GALVANIZED
UBLT1001800 1-8 X 18 LONG TANGENT U-BOLT 18 PIPE ZINC PLATED 1 X 818ZINC PLATED
UBLT1002000 1-8 X 20 LONG TANGENT U-BOLT 20 PIPE ZINC PLATED 1 X 820ZINC PLATED
UBLT1002400 1-8 X 24 LONG TANGENT U-BOLT 24 PIPE ZINC PLATED 1 X 824ZINC PLATED
UBLT1003000 1-8 X 30 LONG TANGENT U-BOLT 30 PIPE ZINC PLATED 1 X 830ZINC PLATED
UBLT1003600 1-8 X 36 LONG TANGENT U-BOLT 36 PIPE ZINC PLATED 1 X 836ZINC PLATED
UBLTGA1002200 1-8 X 22 LONG TANGENT U-BOLT 24 PIPE GALVANIZED 1 X 822GALVANIZED
UBLTGA1002000 1-8 X 20 LONG TANGENT U-BOLT 20 PIPE GALVANIZED 1 X 820GALVANIZED
UBLTGA1001800 1-8 X 18 LONG TANGENT U-BOLT 18 PIPE GALVANIZED 1 X 818GALVANIZED
UBLT3S0871600 7/8-9 X 16 316 STAINLESS STEEL LONG TANGENT U-BOLT 16 PIPE 7/8 X 916316 STAINLESS STEEL
UBLT3S0871200 7/8-9 X 12 316 STAINLESS STEEL LONG TANGENT U-BOLT 12 PIPE 7/8 X 912316 STAINLESS STEEL
UBLT0871200 7/8-9 X 12 LONG TANGENT U-BOLT 12 PIPE ZINC PLATED 7/8 X 912ZINC PLATED
UBLT0871600 7/8-9 X 16 LONG TANGENT U-BOLT 16 PIPE ZINC PLATED 7/8 X 916ZINC PLATED
UBLTSS0871600 7/8-9 X 16 304 STAINLESS STEEL LONG TANGENT U-BOLT 16 PIPE 7/8 X 916304 STAINLESS STEEL
UBLTGA0871600 7/8-9 X 16 LONG TANGENT U-BOLT 16 PIPE GALVANIZED 7/8 X 916GALVANIZED
UBLTGA0871400 7/8-9 X 14 LONG TANGENT U-BOLT 14'' PIPE GALVANIZED 7/8 X 914GALVANIZED
UBLTGA0871200 7/8-9 X 12 LONG TANGENT U-BOLT 12 PIPE GALVANIZED 7/8 X 912GALVANIZED
UBLT3S0751000 3/4-10 X 10 316 STAINLESS STEEL LONG TANGENT U-BOLT 10 PIPE 3/4 X 1010316 STAINLESS STEEL
UBLT0751000 3/4-10 X 10 LONG TANGENT U-BOLT 10 PIPE ZINC PLATED 3/4 X 1010ZINC PLATED
UBLTSS0751000 3/4-10 X 10 304 STAINLESS STEEL LONG TANGENT U-BOLT 10 PIPE 3/4 X 1010304 STAINLESS STEEL
UBLTGA0751000 3/4-10 X 10 LONG TANGENT U-BOLT 10 PIPE GALVANIZED 3/4 X 1010GALVANIZED
UBLT0620600 5/8-11 X 6 LONG TANGENT U-BOLT 6 PIPE ZINC PLATED 5/8 X 116ZINC PLATED
UBLT0620800 5/8-11 X 8 LONG TANGENT U-BOLT 8 PIPE ZINC PLATED 5/8 X 118ZINC PLATED
UBLT3S0620600 5/8-11 X 6 316 STAINLESS STEEL LONG TANGENT U-BOLT 6 PIPE 5/8 X 116316 STAINLESS STEEL
UBLTSS0620800 5/8-11 X 8 304 STAINLESS STEEL LONG TANGENT U-BOLT 8 PIPE 5/8 X 118304 STAINLESS STEEL
UBLTSS0620600 5/8-11 X 6 304 STAINLESS STEEL LONG TANGENT U-BOLT 6 PIPE 5/8 X 116304 STAINLESS STEEL
UBLTGA0620800 5/8-11 X 8 LONG TANGENT U-BOLT 8 PIPE GALVANIZED 5/8 X 118GALVANIZED
UBLTGA0620600 5/8-11 X 6 LONG TANGENT U-BOLT 6 PIPE GALVANIZED 5/8 X 116GALVANIZED
UBLT3S0620800 5/8-11 X 8 316 STAINLESS STEEL LONG TANGENT U-BOLT 8 PIPE 5/8 X 118316 STAINLESS STEEL
UBLT3S0500400 1/2-13 X 4 316 STAINLESS STEEL LONG TANGENT U-BOLT 4 PIPE 1/2 X 134316 STAINLESS STEEL
UBLTSS0500250 1/2-13 X 2 1/2 304 STAINLESS STEEL LONG TANGENT U-BOLT 2 1/2 PIPE 1/2 X132.5304 STAINLESS STEEL
UBLTSS0500300 1/2-13 X 3 304 STAINLESS STEEL LONG TANGENT U-BOLT 3 PIPE 1/2 X 133304 STAINLESS STEEL
UBLT3S0500250 1/2-13 X 2 1/2 316 STAINLESS STEEL LONG TANGENT U-BOLT 2 1/2 PIPE 1/2 X132.5316 STAINLESS STEEL
UBLT3S0500350 1/2-13 X 3 1/2 316 STAINLESS STEEL LONG TANGENT U-BOLT 3 1/2 PIPE 1/2 X 133.5316 STAINLESS STEEL
UBLT3S0500500 1/2-13 X 5 316 STAINLESS STEEL LONG TANGENT U-BOLT 5 PIPE 1/2 X 135316 STAINLESS STEEL
UBLT0500400 1/2-13 X 4 LONG TANGENT U-BOLT 4 PIPE ZINC PLATED 1/2 X 134ZINC PLATED
UBLT0500500 1/2-13 X 5 LONG TANGENT U-BOLT 5 PIPE ZINC PLATED 1/2 X 135ZINC PLATED
UBLT0500350 1/2-13 X 3 1/2 LONG TANGENT U-BOLT 3 1/2 PIPE ZINC PLATED 1/2 X 133.5ZINC PLATED
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