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Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc
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Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc
Boat trailer u-bolts are made of high-quality steel, not easily deformed or rusted, more resistant to corrosion and more suitable for boat trailers in salt or fresh water.
Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc
Item #: 87980720

Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc

86% of respondents would recommend this to a friend

Item #: 87980720

MWK 98632

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Boat trailer u-bolts are made of high-quality steel, not easily deformed or rusted, more resistant to corrosion and more suitable for boat trailers in salt or fresh water.
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What Stands Out

Heavy-Duty Construction
Constructed from high-quality zinc, these U-bolts ensure long-lasting durability and resistance to corrosion, making them ideal for marine environments and guaranteeing reliability for your trailer needs.
Complete Kit
Includes four U-bolts and two plates, providing everything needed for a secure and efficient mounting of axle leaf springs, simplifying the installation process for users and ensuring a complete solution.
Versatile Fit
Designed for standard trailer sizes, these U-bolts offer a perfect fit for various automobile trailers, making them a versatile choice for boat owners looking to enhance stability and safety.

Product Details

Shop Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc online at a best price in Malawi. B0CNG5WXZB
Thread Size1/2 inches 8 (30.5 cm)
Exterior FinishZinc
Manufacturer GradeGrade 4
Screw Head StyleSquare, U-Bolt
ColorZinc
Fastener TypeU-Bolt
Thread TypeUnc
Thread StyleU-Bolt, Square, Flat
Item HardnessGrade 4
Head TypeSquare
Thread Class3A
Screw Point StyleSquare
Compatible Groove Diameter0.5 inches (1.3 cm)
Set Screw Thread TypeUnc
Material TypeZinc
Metal TypeZinc
Finish TypesZinc Coated
Item Diameter0.5 inches (1.3 cm)
Size Name2"W x 5"L (5.1 cm)
Number of Pieces4
Fastener Size2"W x 5"L (5.1 cm)
Thread CoverageFully Threaded
Item Dimensions8.7 x 6.9 x 1.8 inches (22.1 x 17.5 x 4.6 cm)
Outside Diameter0.5 inches (1.3 cm)
BrandLinone
Number of Packs1
Set NameU-Bolt Kit
Unit Count70.4 Ounce
ManufacturerLinone
Number Of Items4
ModelM239Z12CM04
Part NumberM23912
MaterialZinc
Head StyleSquare, U-Bolt

Who Should Buy?

Suitable For
  • Boat Trailer Owners

    Ideal for boat trailer enthusiasts needing robust U-bolts for secure axle leaf spring mounting and maintenance.

  • Heavy Load Users

    Perfect for those who often transport heavy loads, requiring durable and reliable trailer components for safety.

  • DIY Mechanics

    Great for DIY enthusiasts undertaking trailer repairs or upgrades, providing necessary parts for custom installations.

Not Suitable For
  • Light Duty Trailers

    Not suitable for light-duty trailers as they may not need such heavy-duty components.

Product Description

Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are used in the Square U-Bolt Kit for durability?

    Answer: The Square U-Bolt Kit is constructed from high-quality zinc-coated steel which provides exceptional corrosion resistance. The zinc coating ensures protection against rust and wear, making it ideal for marine environments where moisture exposure is common. This heavy-duty design supports secure mounting of axle leaf springs and is perfect for maintaining the integrity of your boat trailer even under heavy loads.
  • Question: How do I install the Square U-Bolt Kit on my boat trailer?

    Answer: Installing the Square U-Bolt Kit involves securing the U-bolts around your trailer's axle and leaf springs, placing the accompanying plates over the bolts, and then tightening the provided nuts. A wrench or socket set is often needed for proper installation. This straightforward process ensures a strong and stable attachment, allowing for optimal load distribution, which is crucial when towing your boat.
  • Question: What is the weight capacity of the U-Bolts in this kit?

    Answer: The U-Bolts in this kit are designed to withstand heavy-duty loads, typically accommodating trailers that carry various boat sizes. They provide a strong, reliable connection between the trailer's leaf spring suspension and axle. For safe towing, it's essential to ensure that the combined weight of your trailer and boat falls within industry-standard limits, allowing for safe travel on the road.
  • Question: Will the Square U-Bolt Kit fit all types of boat trailers?

    Answer: While the Square U-Bolt Kit is versatile and designed to fit many boat trailer configurations, compatibility can depend on the specific dimensions of your axle and leaf springs. It's recommended to measure the width and diameter of your trailer’s axle prior to purchasing, ensuring this kit meets your trailer's specifications for a perfect fit.
  • Question: Can I use these U-Bolts for other applications besides boat trailers?

    Answer: Absolutely! The heavy-duty Square U-Bolts can be used for various applications, including mounting leaf springs on utility trailers, car haulers, or in custom fabrication projects. Their robust construction makes them suitable for any situation that demands a secure and durable connection, allowing for versatility well beyond boat trailers.
  • Question: How do I maintain the U-Bolt Kit to ensure longevity?

    Answer: To maintain your U-Bolt Kit, regularly inspect the bolts and nuts for tightness and signs of wear or corrosion. Keeping these components clean and occasionally applying a protective spray can help extend their life, especially in marine environments. By taking such measures, you ensure safe and dependable performance during all your boat hauling adventures.
  • Question: What are the dimensions of the U-Bolts and plates included in this kit?

    Answer: The dimensions of the U-Bolts and plates are designed to provide a universal fit for standard boat trailer applications. You can expect the U-Bolts to typically measure around 3/8-inch in diameter and come in various lengths to accommodate specific trailers. The accompanying plates are crafted to evenly distribute the load, which is essential for minimizing stress on your trailer's suspension system.
  • Question: Are installation tools included with this U-Bolt Kit?

    Answer: The Square U-Bolt Kit comes with all the essential U-Bolts, nuts, and frame plates needed for assembly but does not include installation tools. A wrench or socket set is required for fastening the nuts securely. Having the right tools readily available ensures a smooth installation process, allowing you to quickly get back on the water with confidence.
  • Question: Is this U-Bolt Kit suitable for saltwater use?

    Answer: Yes, the zinc coating on these U-Bolts provides significant resistance to corrosion, making them suitable for saltwater applications. This feature is particularly important for boat trailers that operate in coastal regions or are frequently exposed to saltwater conditions. By choosing a corrosion-resistant kit, you enhance the durability and life expectancy of your trailer's components.
  • Question: Where can I buy the Square U-Bolt Kit for boat trailer mounting?

    Answer: You can purchase the Square U-Bolt Kit for boat trailer mounting specifically from Ubuy in Malawi. Ubuy offers a range of marine hardware and accessories, ensuring that you find the right products for your boating and trailer needs with convenient purchasing options.

Linone U-Bolt Kits Editorial Review

**** The Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs has received a generally positive reception from customers, highlighting its robust Construction and effectiveness in enhancing the functionality of boat trailers and utility trailers. Users appreciate these heavy-duty U-bolts for their sturdiness, especially when compared to the older, rusted alternatives. Many reviewers commented on the excellent fit and reliable performance of the U-bolts, with one user praising their ability to secure elements in place effectively. However, some concerns were raised regarding the accompanying plate, as a few customers reported that it bent during installation. Despite this issue, the overall sentiment leans towards satisfaction, with several users stating they would Consider purchasing the product again. The aesthetic appeal of the U-bolts is also noted, although it does result in a stark contrast with aged components on older trailers. The durability against rust is yet to be determined, but initial impressions suggest a solid build quality. Overall, the Square U-Bolt Kit appears to be a reliable choice for those looking to replace or upgrade mounting components on their trailers. **

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Pros

  • Sturdy and heavy-duty Construction.
  • Excellent fit for standard 2" axles.
  • Significant improvement over old, rusted U-bolts.
  • Reliable performance in securing trailer elements.
  • Positive feedback on repurchase intentions.

Cons

  • Accompanying plate may bend under torque.

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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MWK 98632

Order now and get it around Monday, September 07

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Adjustable U-bolts designed for 2 x 2 boat trailer axles.
  • Supports over 150 LBS per bolt.
  • High-quality steel construction for durability.
  • Corrosion-resistant, suitable for salt and fresh water use.
  • Comes with all necessary components including nuts and washers.
  • Versatile application for boats, trailers, and more.

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