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🔧 Lock in strength and style with Dunzy’s heavy-duty U bolts!
Dunzy’s 4-piece square U bolt set features 3/8'' diameter, 3'' width, and 7'' length bolts made from zinc-plated carbon steel. Designed for durability and corrosion resistance, these bolts are perfect for securing 3x3'' square tubes and frames in industrial, automotive, and DIY projects. Each set includes bolts, frame plates, and nuts, ensuring a complete fastening solution that performs reliably in wet and demanding environments.
| Best Sellers Rank | #42,643 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in U-Bolts |
| Color | carbon steel plated |
| Customer Reviews | 4.6 out of 5 stars 285 Reviews |
| Exterior Finish | Zinc |
| Fastener Type | U-Bolt |
| Head Style | Square, U-Bolt |
| Manufacturer Grade | Grade 2 |
| Material | Carbon Steel |
O**E
Great product and price.
Great product.
S**N
Good product good price
Very useful but beware of the length not only the width of the bolts.
J**M
Fasteners will keep it together.
Not a lot can go wrong with these. Only time will tell how yhey weather. So far they seem as good of quality as any others I have gotten, while maintaining a low price.
A**R
Will attach easily, and brace well
Strong and holding up well.
T**S
a little big for a 4x4 post but still works great
good product
W**E
Shipped very quickly.
Good product as expected
J**.
Excellent for light trailer
Excellent for light utility trailer
A**R
Holding the post in place!
Great product! Heavy duty! Perfect fit! Easy to install!
Trustpilot
1 day ago
3 weeks ago