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Bow / Stern Eye U-Bolts are specialized fasteners widely used in marine applications to securely anchor boat trailers, lifting hardware, and docking equipment. Manufactured from corrosion-resistant materials such as Stainless Steel 304, 316, or alloy steels, these U-bolts offer outstanding durability in salty, humid, and chemically exposed environments. Their robust design makes them ideal for both freshwater and saltwater applications.
These U-bolts are typically available in UNC thread and standard sizes ranging from 3/8″ to 1/2″. A standard Bow/Stern Eye U-Bolt kit includes four nuts (two standard and two beveled), one bow plate, and one stern plate. This complete set ensures secure mounting and reduces loosening under load or vibration, providing a dependable fastening solution for boats and trailers.
Beyond marine use, Bow / Stern Eye U-Bolts are also employed in automotive, construction, and architectural projects. Their strength and corrosion resistance make them suitable for environments that demand high performance under stress and exposure to moisture or chemicals. Whether for lifting, anchoring, or structural fastening, these U-bolts offer consistent and secure performance.
Crafted with precision and using high-quality raw materials such as Titanium Gr 5, Inconel 625, or Monel 400, these U-bolts provide enhanced mechanical strength and superior resistance to pitting, crevice corrosion, and mechanical wear. Their rugged construction helps extend the service life of equipment and components, even in the most demanding conditions.
Available in a wide variety of metal grades and finishes, Bow / Stern Eye U-Bolts can be customized to suit unique specifications and project requirements. From galvanized coatings for enhanced protection to specialized alloys for high-temperature applications, these U-bolts are designed to accommodate everything from DIY marine rigging to large-scale industrial systems.
Stainless Steel Bow / Stern Eye U Bolts Manufacturer
| ITEM | A (size) | THREAD | B | C | D | PULL (strength-lb) | WT (lb) |
|---|---|---|---|---|---|---|---|
| ISCO-00201 | 3/8" | 3/8"-16 | 1.03" | 1.13" | 2.25" | 3,200 | 0.25 |
| ISCO-00202 | 3/8" | 3/8"-16 | 1.03" | 3.00" | 4.00" | 3,200 | 0.30 |
| ISCO-00203 | 3/8" | 3/8"-16 | 1.03" | 4.00" | 5.00" | 3,200 | 0.40 |
| ISCO-00204 | 7/16" | 7/16"-14 | 1.50" | 3.44" | 5.00" | 3,800 | 0.60 |
| ISCO-00205 | 7/16" | 7/16"-14 | 1.50" | 4.50" | 6.00" | 3,800 | 0.65 |
| ISCO-00206 | 1/2" | 1/2"-13 | 1.31" | 2.50" | 3.87" | 4,800 | 0.60 |
| ISCO-00207 | 1/2" | 1/2"-13 | 1.31" | 3.44" | 4.85" | 4,800 | 0.70 |
| ISCO-00208 | 1/2" | 1/2"-13 | 1.31" | 4.75" | 6.00" | 4,800 | 0.80 |
| ISCO-00209 | 1/2" | 1/2"-13 | 1.31" | 6.00" | 7.25" | 4,800 | 0.95 |
3/ 8” to 1/ 2” & 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 Bow / Stern Eye 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 Bow / Stern Eye U-Bolt Manufacturer
Duplex -Super Duplex Steel: S32205 / S31803 / S32750 / S32760 / SMO 254 S31254 / Zeron 100 Bow / Stern Eye U-Bolt Manufacturer
Titanium Alloy: Titanium Grade 2 UNS R50400 / Titanium Grade 5 UNS R56400 Bow / Stern Eye U-Bolt Manufacturer
Nickel Alloy 200 / 201 / Alloy 20 / Inconel 600 / Inconel 601 / Inconel 622 / Inconel 625 / Inconel 650 Bow / Stern Eye U-Bolt Manufacturer
Incoloy Alloy 800 / Incoloy 800H / 800HT / Inconel 925 / Inconel 825 / Inconel 800 / Inconel 718 Bow / Stern Eye U-Bolt Manufacturer
Cupro Nickel Alloy CuNi 90/10 C70600, CuNi 70/30 C71500 / Monel 400 / Monel K500 Bow / Stern Eye U-Bolt Manufacturer
Hastelloy B2, B3 / Hastelloy C2000 / Hastelloy C22 / C276 / C4 / Hastelloy X Bow / Stern Eye U-Bolt Manufacturer
Stainless Steel Bow / Stern Eye U-Bolts are essential components used in marine, automotive, and industrial applications. These U-bolts provide a secure anchoring point for trailers, boats, and other heavy-duty equipment. Their curved design allows for even load distribution, minimizing stress on the mounting surfaces. With their robust build, they are capable of withstanding high tension and dynamic loads.
Manufactured from high-grade stainless steel like 304 or 316L, Bow / Stern Eye U-Bolts offer excellent corrosion resistance, even in harsh saltwater environments. The included beveled nuts and plates enhance their hold and stability, making them ideal for long-term installations. Their durability and resistance to rust make them a preferred choice for marine hardware and industrial use alike.
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.
