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Four of these clamps enable you to mount 1-1/2" square tubing on the top or bottom of an I-beam on your aluminum boat trailer or a boat lift. Its galvanized steel construction resists corrosion.
Features:
Four of these clamps make it easy to attach 1-1/2" tubing, such as a roller-style or bunk-style guide-on, to an I-beam on an aluminum trailer without drilling. They mount on the inside and outside of the I-beam for a snug connection.
Galvanized Steel
Galvanized steel parts are hot-dipped in zinc after being stamped. This creates a coating that is typically 3 mil to 5 mil thick. This thick, all-around coating allows galvanized steel products to provide years of use without rusting or corroding.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're taking a look at a CE Smith I-Beam clamp for boat trailers. This heavy duty clamp secures inch and a half square tubing to an I-Beam. Now four clamps are required for one I-Beam. Other clamps are sold separately. This part number comes with one clamp. They mount on the inside and outside of the I-Beam for a tight connection.
It's made from a galvanized steel construction. It's very strong and durable, and does a great job at resisting rust and corrosion. It would accept up to three-eighth inch diameter hardware. Edge-to-edge going this direction, the clamp measures about four inches. And this product is made in the USA.
That's going to do it for today's look at the CE Smith I-Beam clamp for boat trailers.
Customer Satisfaction Score:
94% were satisfied with this product
6% of customers were not satisfied
Ratings & Reviews
Works like a charm and super fast deliv ery!
Everything was delivered on time and as expected with great follow up.
The clamps worked perfectly. Ordering was quick and easy. Thanks
Perfect replacement and upgrade to OEM bracket
Excellent product and delivered as prom ised!
The parts themselves seem fine. I was just disappointed that it did not come with the bolts to install. The ones I have are a different size, so now I need to find the correct bolts.
This is a great product for bay boats. I used it for a year now and it's done its job perfectly. My poles are over 6' and it holds them great!
Highly recommended
Excellent product, works as described, great pricing too , thanks.

Mike B.
5/30/2016
great
Ideal for the cost. Clamps worked great.
Thank you.
It is on the trailer and holding strong.
Part was delivered when promised. etrailer's I-beam clamp fit perfectly, and has a stronger connection than the original (now broken) part.
Excellent replacement I-beam guide on b rackets.
Exactly what I needed and received quic kly
This bunk bracket fit my trailer perfectly. It was easy to order, reasonably priced, and arrived quickly. Thank you, etrailer.
This thing is solid. Very strong. I had a round aluminum guide posts which bent and broke in a strong current. I sanded this new guide post lightly and painted it with Rust-Oleum Universal Bonding Primer, which is made for galvanized steel, because I use in salt water. Then I top coated with gloss white enamel.
Very happy with this purchase. It arrived 3 days before promised date. Much stronger than the aluminum posts I am replacing. Exceeded my expectations. Very happy with everything I have ordered from etrailer.
These clamps hold boat trailer guides tight. very good product. holds up well in saltwater use.
etrailer was the only place I could find this part separately. Instead of a $4 piece to repair the failed OEM bracket on my trailer guides I was looking at a $30 kit. This design eliminates the sharp bend on my original where it cracked. Shipment was quick and complete.
Thanks for making this easy on us DIY'ers etrailer.
Delivered way late, which was not helpf ul.
Very well make & solid. I originally bought them for a different use (side bunks), but I will soon be using them when I add a larger step on each rear side of the trailer. These will be prefect for the application.
They were exactly what I wanted. Also great service from etrailer.
Product was delivered promptly, was reasonably priced and was exactly the product for which I was shopping. This clamp is used to secure an “L-shaped” piece of square tubing, approximately 7 ft long end-end, to the bottom side of an I-Beam on a boat trailer. Given that the function of this is to act as a guidepost for putting a boat on the trailer, it will get bumped regularly, by a heavy boat. The result is that this design is poor for the application as these clamps cannot hold up to the amount of abuse they take. All that said, this was the exact replacement part I needed and etrailer.com was stellar!
Heavy-duty, ht-dipped galvanized and the best price around. Could not find anyone else that sold these individually. Should hold up well on my saltwater trailer. Shipping was reasonable and fast. Good job etrailer!

Dfree
7/16/2017
Could not be happier, Better than the ones I replaced.
Definitely a great heavy duty mounting bracket. I've been looking for something like this for a while. This was needed to secure my boat transom to my trailer. I was tired of using ratchet straps from the top of the transom deck lift hook down to the trailer.
I've seen many brackets , but this works awesome and was an easy install.
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Ricardo
10/7/2023
Product is working fine