0 ratings
KUAFU Universal U-Bolts for Boat Trailer Square Steel 12 Dia X 3 116 X 4 516 4Pcs
Good quality & simple to fix, durable & cost-effective!
KUAFU Universal U-Bolts for Boat Trailer Square Steel 12 Dia X 3 116 X 4 516 4Pcs
Item #: 31729325

KUAFU Universal U-Bolts for Boat Trailer Square Steel 12 Dia X 3 116 X 4 516 4Pcs

Item #: 31729325

SBD 279

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, September 03
Our Top Logistics Partners
  • fedex
  • dhl
Good quality & simple to fix, durable & cost-effective!
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Durable Galvanized Steel
Crafted from high-quality galvanized steel, these U-Bolts resist rust and corrosion, ensuring long-lasting performance even in harsh marine environments.
Perfect Fit
Designed specifically for boat trailers, the 12-inch diameter and precise dimensions provide a secure and stable fit, enhancing the safety of your towing system.
Versatile Applications
Ideal for various trailer configurations, these U-Bolts can also be used for other marine or outdoor projects, offering versatility and value beyond just boat trailers.

Product Details

Shop KUAFU Universal U-Bolts for Boat Trailer Square Steel 12 Dia X 3 116 X 4 516 4Pcs online at a best price in Solomon Islands. B08M617Q6F
Thread Size1/2 inches 16 (30.5 cm)
Exterior FinishDacromet
Manufacturer Gradestandard
Screw Head StyleFlat, U-Bolt
Colorsilver
Fastener TypeU-Bolt
Thread TypeUnc
Thread StyleRight Hand
Item HardnessGrade 5
Head TypeFlat
Grade RatingGrade A
Compatible Groove Diameter0.5 Inches (1.3 cm)
Material TypeAlloy Steel
Metal TypeAlloy Steel
Finish TypesDacromet
Item Diameter0.5 Inches (1.3 cm)
Size NameU-bolts*4
Number of Pieces4
Fastener Size0.5 inches (1.3 cm)
BrandKUAFU
UPC768067211790
ManufacturerKUAFU
Number Of Items1
ModelBL797
Part NumberBLET599X4
Unit Count4 Count
MaterialAlloy Steel
Head StyleFlat, U-Bolt
Item Weight2 lbs (910 grams)

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for boat owners needing durable U-bolts to secure trailers effectively while ensuring stability on the road.

  • DIY Enthusiasts

    Perfect for DIY projects involving trailer modifications or repairs, offering reliable strength and ease of installation.

  • Repair Shops

    A great choice for repair shops focused on trailer maintenance, these U-bolts add structural integrity to various trailer solutions.

Not Suitable For
  • Heavy Machinery

    Not suitable for heavy machinery applications where higher load-bearing capacity U-bolts are required for safety.

Product Description

KUAFU Universal U-Bolts for Boat Trailer Square Steel 12 Dia X 3 116 X 4 516 4Pcs

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What size are the KUAFU Universal U-Bolts?

    Answer: The KUAFU Universal U-Bolts have a diameter of 12mm and come in dimensions of 3-1/16 inch wide by 4-5/16 inch tall. This sizing is specifically designed to fit most boat trailers, offering a secure fit that helps keep your trailer sturdy during transport. When selecting U-bolts for your trailer, it's essential to match the size to your specific mounting hardware to ensure compatibility, enhancing the safety and stability of your boat while on the road.
  • Question: What material are the KUAFU U-Bolts made from?

    Answer: These U-bolts are constructed from zinc-plated steel, which makes them highly resistant to corrosion and rust. This material choice ensures durability even when exposed to harsh marine environments. Zinc plating is particularly important for trailer components as it provides an extra layer of protection against moisture and salt, ensuring that your trailer remains functional and safe for extended periods. Thus, using these U-bolts promotes long-lasting performance during your boating adventures.
  • Question: Can I use KUAFU U-Bolts for other applications besides boat trailers?

    Answer: Yes, the KUAFU U-Bolts can be used in various applications beyond boat trailers. They are versatile enough to be utilized in securing different types of equipment or components that require robust fastening solutions. For example, you could use them for mounting pipes, suspending wiring under a vehicle, or securing machinery parts in industrial settings. Their universal design makes them a valuable addition to any hardware toolkit.
  • Question: How do I install KUAFU U-Bolts on my trailer?

    Answer: To install KUAFU U-Bolts, align them with the mounting holes on your trailer frame. Once positioned, insert the U-bolts through the holes and secure them with the appropriate nuts. It's important to first ensure the bolts are snug but not overly tight, allowing for adjustments if necessary. Regular checking and tightening are recommended to maintain secure mounting. This process helps ensure that your boat is safe during transport and avoids any movement that could cause damage.
  • Question: What makes KUAFU U-Bolts a good choice for boat trailers?

    Answer: KUAFU U-Bolts are an excellent choice for boat trailers due to their sturdy construction and corrosion-resistant zinc-plated steel material. They are specifically designed to hold heavy loads from boats securely, preventing movement while towing. Their robust design reduces the risk of wear and tear, which is critical when navigating different terrains. By employing these U-bolts, you ensure a dependable connection between your trailer and your boat, enhancing safety during transport.
  • Question: How many U-Bolts are included in the package?

    Answer: The KUAFU Universal U-Bolts package includes four pieces. Having four U-bolts provides enough to secure both the front and rear of your trailer effectively or to allow for various configurations depending on your trailer design. This quantity supports balanced weight distribution, critical in ensuring safe towing. If you’re working on a larger project or need replacements, consider ordering additional sets for comprehensive coverage.
  • Question: Are there any specific maintenance tips for KUAFU U-Bolts?

    Answer: To maintain KUAFU U-Bolts, regularly check for any signs of rust or wear, especially after prolonged exposure to water. Keeping the U-bolts clean and regularly applying a light coat of grease can help protect them further from corrosion. If any bolts become loose, it’s crucial to tighten them promptly to prevent any issues while towing. Following these maintenance practices will maximize the lifespan of your U-bolts and keep your trailer secure.
  • Question: What load capacity can the KUAFU U-Bolts handle?

    Answer: While specific load capacity can vary based on installation and application, KUAFU U-Bolts are designed to handle significant weight, typical for securing boats on trailers. Their robust construction provides confidence in supporting your boat during transport. It's important to assess your boat's weight and the trailer’s design to ensure that the combined support from U-bolts is adequate. Proper installation and regular checks will ensure optimal performance under load.
  • Question: Are these U-Bolts compatible with all boat trailers?

    Answer: KUAFU Universal U-Bolts are designed with compatibility in mind, fitting a broad range of boat trailer designs. However, always confirm your trailer’s specifications and mounting requirements before purchase. If your trailer has unique dimensions or configurations, it may be necessary to consult your trailer's manual or a professional to ensure the U-bolts provide a secure and effective fit. This step ensures that your boating needs are safely addressed.
  • Question: Where can I buy KUAFU Universal U-Bolts in Solomon Islands?

    Answer: You can purchase KUAFU Universal U-Bolts for Boat Trailers at Ubuy. Ubuy is a reliable online platform that provides a wide selection of hardware and tools, ensuring you have access to quality products like these U-Bolts. They offer competitive prices along with detailed descriptions, making it easier for you to find exactly what you need. Browse Ubuy for a seamless shopping experience and quick access to essential items for your boating requirements.

KUAFU U-Bolt Kits Editorial Review

The 8 U-Bolts for Boat Trailer Square Galvanized is a fairly priced product that receives positive feedback from customers. The U-Bolts have a heavy galvanized finish, making them ideal for use on a boat trailer. Customers appreciate the quality and durability of the U-Bolts, noting that they are well-made and have a good thick zinc coating. The U-Bolts have the right width and height, with a half inch diameter. However, customers suggest that it would be helpful to include the dimensions as an overlay on the product photo, as some found the width measurement to be vague. Overall, this product seems to be a reliable choice for boat trailer owners, but its long-term durability can only be determined with time.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Fairly priced
  • Heavy galvanized finish
  • Ideal for boat trailers
  • Well-made and durable
  • Good thick zinc coating

Cons

  • Vague width measurement in product description

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“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
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“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
SJ
SAO JOHN
Verified buyer

“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
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • 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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.