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Long U-Bolts are essential components widely used in marine, construction, and industrial sectors for securing piping, anchoring heavy equipment, and supporting structural elements. These bolts are shaped like the letter “U” with threads on both ends and are often supplied with accompanying nuts to provide a firm and adjustable hold. Their extended length makes them particularly useful for securing larger diameters and spanning wider surfaces.
Manufactured in various materials like stainless steel, alloy steel, carbon steel, titanium, and Monel, Long U-Bolts offer tailored performance for different operating environments. Stainless steel versions, such as grades 304L and 316L, are especially favored for their superior resistance to corrosion, making them suitable for saltwater and chemically aggressive settings. Other high-performance materials like Hastelloy, Inconel, and Super Duplex provide enhanced mechanical strength and resistance to oxidation.
Long U-Bolts are typically available in sizes ranging from 1/4″ to 7/8″, catering to a wide variety of load-bearing and installation requirements. Their construction is designed to ensure uniform tension distribution, which helps in reducing stress points on pipes or structural frameworks. Many variants come hot-dip galvanized or electro-polished for extra durability and finish protection.
In marine applications, Long U-Bolts are commonly used to attach pipes and cables to decks or bulkheads. Their secure fastening and anti-vibration capabilities make them indispensable in environments where motion and corrosion are persistent challenges. In construction, they provide reliable anchorage in pre-fabricated frameworks and suspension systems.
These bolts meet international quality and safety standards and are available with options like plastic coatings or customized threading to suit special project requirements. Whether used in offshore rigs, shipbuilding, power plants, or architectural design, Long U-Bolts serve as reliable fasteners that combine strength, flexibility, and resistance to wear over time.
Stainless Steel Long U Bolts Manufacturer
| ITEM | A (size) | THREAD | B | C | D | PIPE | WLL (lb) | WT (lb) |
|---|---|---|---|---|---|---|---|---|
| ISCO-00101 | 1/4" | 1/4"-20 | 0.88" | 2.50" | 2.94" | 1/2" | 435 | 0.1 |
| ISCO-00102 | 1/4" | 1/4"-20 | 1.13" | 2.50" | 3.19" | 3/4" | 435 | 0.11 |
| ISCO-00103 | 1/4" | 1/4"-20 | 1.38" | 2.50" | 3.44" | 1" | 435 | 0.11 |
| ISCO-00104 | 3/8" | 3/8"-16 | 1.69" | 2.38" | 3.72" | 1-1/4" | 1,090 | 0.28 |
| ISCO-00105 | 3/8" | 3/8"-16 | 2.00" | 2.50" | 4.00" | 1-1/2" | 1,090 | 0.3 |
| ISCO-00106 | 3/8" | 3/8"-16 | 2.44" | 2.50" | 4.44" | 2" | 1,090 | 0.33 |
| ISCO-00107 | 1/2" | 1/2"-13 | 2.94" | 3.00" | 5.22" | 2-1/2" | 2,020 | 0.73 |
| ISCO-00108 | 1/2" | 1/2"-13 | 3.56" | 3.00" | 5.75" | 3" | 2,020 | 0.79 |
| ISCO-00109 | 1/2" | 1/2"-13 | 4.06" | 3.00" | 6.25" | 3-1/2" | 2,020 | 0.85 |
| ISCO-00110 | 1/2" | 1/2"-13 | 4.56" | 3.00" | 6.75" | 4" | 2,020 | 0.9 |
| ISCO-00111 | 1/2" | 1/2"-13 | 5.63" | 3.00" | 7.81" | 5" | 2,020 | 1.03 |
| ISCO-00112 | 5/8" | 5/8"-11 | 6.75" | 3.75" | 9.69" | 6" | 3,230 | 1.92 |
| ISCO-00113 | 5/8" | 5/8"-11 | 8.75" | 3.75" | 11.50" | 8" | 3,230 | 2.22 |
| ISCO-00114 | 3/4" | 3/4"-10 | 10.88" | 4.00" | 13.88" | 10" | 4,830 | 4.08 |
| ISCO-00115 | 7/8" | 7/8"-9 | 12.88" | 4.25" | 16.13" | 12" | 6,730 | 5.7 |
| ISCO-00116 | 7/8" | 7/8"-9 | 14.13" | 4.25" | 17.50" | 14" | 6,730 | 6.7 |
| ISCO-00117 | 7/8" | 7/8"-9 | 16.13" | 4.25" | 19.25" | 16" | 6,730 | 7.5 |
1/ 4” to 7/ 8” & As Per Drawings.
As per Standard Length & As per Clients Requirements.
Electro Polished (EP), Aluminium Finish, Black Carbon Coated, Hot dipped Galvanised Coating, Bright Etc…
U Bolts Manufacturer Name, U Bolts Size, U Bolts Grades, U Bolts Weight Load Capacity Etc.
Long U Bolts, Bow & Stern Eye U Bolts, Square U Bolts, Trailer U Bolts, Standerd U Bolts, U Bolt With Plate.
Stainless Steel: 303 / 304 / 304L / 304LN / 304H / 316 / 316L / 316Ti / 317 / 317L / 321 / 321H / 440C / 904L Long U-Bolt Manufacturer
Stainless Steel: 310 / 310s / 309 / 440 / 202 / 201 / 17-4PH / 17-7 PH / 15-5 PH / 13-8 MO / 15-5 MO Long U-Bolt Manufacturer
Duplex -Super Duplex Steel: S32205 / S31803 / S32750 / S32760 / SMO 254 S31254 / Zeron 100 Long U-Bolt Manufacturer
Titanium Alloy: Titanium Grade 2 UNS R50400 / Titanium Grade 5 UNS R56400 Long U-Bolt Manufacturer
Nickel Alloy 200 / 201 / Alloy 20 / Inconel 600 / Inconel 601 / Inconel 622 / Inconel 625 / Inconel 650 Long U-Bolt Manufacturer
Incoloy Alloy 800 / Incoloy 800H / 800HT / Inconel 925 / Inconel 825 / Inconel 800 / Inconel 718 Long U-Bolt Manufacturer
Cupro Nickel Alloy CuNi 90/10 C70600, CuNi 70/30 C71500 / Monel 400 / Monel K500 Long U-Bolt Manufacturer
Hastelloy B2, B3 / Hastelloy C2000 / Hastelloy C22 / C276 / C4 / Hastelloy X Long U-Bolt Manufacturer
Stainless Steel Long U Bolts are designed for securing round objects such as pipes or tubing to a variety of surfaces. Manufactured from high-grade stainless steel like 304 or 316, they offer excellent corrosion resistance, especially in marine and outdoor environments. These U-bolts maintain structural integrity even under high-stress or vibration-prone applications.
With sizes ranging from 1/4″ to 7/8″ and available in both standard and custom lengths, Long U Bolts are ideal for construction, automotive, plumbing, and marine industries. They are commonly used to hold down equipment, attach piping, or serve as anchoring points in industrial setups, ensuring reliable and long-lasting performance.
As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.
