Your Cart:
0 item(s) / Total: $0
We'll Beat Any
Price By 10%
Get The Details Here
Free Shipping Over $150
Best Price Guarantee
Galvanized Square Ubolt 3/8 inch x1 9/16 inch x 2 1/2 inch
by Distributor : N/A
Part Number: 24321
Average Rating

Galvanized Square Ubolt 3/8 inch x1 9/16 inch x 2 1/2 inch


In Stock
Best Price Guarantee

Hot Dipped Galvanized U-bolt measuring 3/8"" x 1 9/16" x 2 1/2", Used to hold on various brackets and upright guides on boat trailers. Includes galvanized nuts, lock washers, and flat washers.


Finish: Hot Dipped Galvanized     

Thread Size:  3/8"-16 

Inside Width:1 9/16”

Inside Length: 2 1/2”

You would most commonly use this exact size U-Bolt when mounting 1 1/2" Square Guide Poles to an I-Beam trailer frame. The Width of this U-Bolt and Length are perfect for going around the Guide Pole, and through the bottom or top of the I-Beam. This would require drilling holes to outfit the U-Bolt. 


5 Stars
Great Customer Service!!! Product matches description exactly and fit perfectly!
Reviewed by:  from North Carolina. on 1/29/2018
5 Stars
boat owner
Sturdybuilt's square U bolts are very high quality. I purchased 8 of them and used them to bolt on 4 up right guide posts on my boat trailer; they fit perfectly. I would recommend them to a friend
Reviewed by:  from Florida. on 2/21/2017
5 Stars
Boat owner
Could not locate this item locally or with a large supplier in Atlanta that I have used before. SturdyBuilt had what I needed at reasonable price.
Reviewed by:  from Savannah, GA. on 9/16/2016
4 Stars
I ordered 10 pieces of the Sq U Bolt and all was good except for the last one, the nut would not thread on because the last thread was damaged, I was able to run a button die over it but it did expose some of the steel under the Galvanized coating.
Reviewed by:  from New Jersey. on 9/24/2014
5 Stars
square u bolts
had award time finding the wright size to mount guide rails inside square 3in tube these fit perfectly shipping was fast thanks
Reviewed by:  from Hubert NC. on 1/25/2014
5 Stars
Just right
I looked a long time for a U-bold with these dimensions that would fit around my ladder rack on top of my van. I was really hoping to get the same size only in 5/16 or 7/16 size bolt, but these work good. Stainless steel would have been great too, but I didn't see any here, or maybe they were too expensive. Thank, Terrt
Reviewed by:  from Hayward, CA. on 10/26/2013
5 Stars
Galvanized U-Bolt
The item is a quality item. Very fast delivery and fits like a glove. Thank you!
Reviewed by:  from West Palm Beach. on 3/31/2013
5 Stars
rebuilding E-Z loader trailer
Excellent quality. Right size. Could not find in C.T. Wished I had found this site sooner. Thanks
Reviewed by:  from C.T.. on 1/12/2013

e-commerce price conversion
Subscribe to our Newsletter.
Enter you Email address below and press the GO button.