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  1. Tie Down Anchors
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  7. Truck Tie-Down Anchors
CargoSmart D-Ring Tie-Down Anchor - Bolt On - 1/2" x 3-3/8" - 3,667 lbs

CargoSmart D-Ring Tie-Down Anchor - Bolt On - 1/2" x 3-3/8" - 3,667 lbs

Item # 348818
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Tie Down Anchors
Shipping Weight: 1.13 lbs
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Tie Down Anchors 348818 - Surface Mount - Bolt-On - CargoSmart
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This D-ring lets you add an extra anchor point on your truck, utility trailer or enclosed cargo trailer. Bolts to most flat, solid surfaces. Perfect for securing ATVs, UTVs, riding mowers, and other heavy cargo. Great Prices for the best tie down anchors from CargoSmart. CargoSmart D-Ring Tie-Down Anchor - Bolt On - 1/2" x 3-3/8" - 3,667 lbs part number 348818 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (19)
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  • Videos (2)
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CargoSmart Tie Down Anchors - 348818

  • D-Ring
  • Tie-Down Cleats and Rings
  • 3667 lbs
  • Trailer Tie-Down Anchors
  • Truck Tie-Down Anchors
  • Surface Mount - Bolt-On
  • CargoSmart

This D-ring lets you add an extra anchor point on your truck, utility trailer or enclosed cargo trailer. Bolts to most flat, solid surfaces. Perfect for securing ATVs, UTVs, riding mowers, and other heavy cargo.


  • Standard-duty D-ring tie-down anchor provides a solid attachment point for ropes, straps or bungees
    • Lets you anchor ATVs, UTVs, riding mowers, and other heavy cargo on your truck, utility trailer or enclosed cargo trailer
  • D-ring rotates 180 degrees so you can attach your rope, strap or bungee from multiple angles
  • Steel construction with yellow-zinc plating is strong and corrosion resistant
  • Bolt-on installation to most flat, solid surfaces
    • Mounting hardware not included


  • Maximum load (break strength): 11,000 lbs
  • Safe working load limit (WLL): 3,667 lbs
  • D-ring dimensions:
    • Thickness: 1/2"
    • Inner diameter: 2-3/8" wide x 2-5/16" long
    • Overall width: 3-3/8"
  • Mounting bracket dimensions: 3-3/16" long x 1-3/4" wide
  • Distance between mounting holes (center to center): 2"
  • 1-Year limited warranty

Note: Tie-down anchors must be chosen according to their safe working load limit (WLL). The weight of the secured cargo must not exceed the combined WLL of the anchors being used. For example, if you are using anchors with a WLL of 100 lbs each to tie down a load weighing 400 lbs, then you need at least 4 anchors to safely secure that load. It is recommended that you always use anchors in pairs.

818 CargoSmart 1/2" D-Ring with Bolt-On Mounting Bracket - 3,667 lbs

California residents: click here

Video of CargoSmart D-Ring Tie-Down Anchor - Bolt On - 1/2" x 3-3/8" - 3,667 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for CargoSmart D-Ring Tie-Down Anchor Review

Randy: Hey guys, it's Randy here at Today we're going to be taking a look at a very basic D-ring from CargoSmart. This is the half-inch variety. It gives us a 3667 pounds safe working load limit and it offers a really nice large D-ring that will allow you to connect many different-sized straps regardless of the hook type, with the exception of maybe the flat hooks. These are very common and widely used in many different applications, whether that's flatbeds and trucks, utility trailers, enclosed trailers. You'll see these things just about everywhere.This is going to be extremely similar to all the other ones out there.

CargoSmart has made a good solid forged D-ring. It's going to have the clear or the yellow, rather, zinc finish on all the components. The hardware is not included. You'll have to provide your own, but 3/8-inch carriage bolts work out really, really well.Overall, I think it's going to do the job. It's again very similar to a lot of the other ones out there.

It's made for your medium to heavy-duty applications even though, of course, it will work with lighter stuff as well to get that secured.Now as far as usable space, we're looking at about 2-3/8 of an inch inside this way, about 2-3/8 of an inch inside this way. Our outside is going to be about 3-3/8 of an inch. Our bracket: From our mounting surface, this is going to stick up about one inch from your floor. Now, the only problem that I have with this type of tie down is that as we're traveling as our trailer bumps around, we can get some of that rattling effect. For most people, that's not going to matter.

For me, I like everything to be as quiet as possible. So for me, that would bug me a little bit. So if that does give you any kind of issues, if you don't like that, we do have one where our D-ring here would be removable. It's also from CargoSmart, same half-inch diameter. It actually uses the exact same plate here.

It's something that you can pull a pin and a clip, slide the pin out, and remove this to keep it inside; reduces the amount of stuff that you're going to have on your trailer to potentially trip over, and that one also offers the exact same capacity. So if I we're going to be putting them on my trailer, I would use the removable D-ring so I didn't always have them on there rattling. But again, some people that doesn't matter. It's going to be your decision to make.To begin our installation, we'll start with our bracket first. We're going to use this as our template so we know exactly where we want to drill our holes. We're going to be mounting ours to just the wood decking here on the trailer. Going to be using carriage bolts, flat washers, and nylon lock nuts. It's going to be a 3/8 diameter carriage bolt. They tend to sit in there really well, give you a nice clean install look. So, of course, we'll need to use our 3/8 drill bit. We'll just use that, mark our hole locations, and we'll get those drilled out. Now with our holes drilled out, we just want to set our D-ring down, place that right over top, and we're going to slide in our carriage bolts. Now if you notice, I flat spotted the side of that carriage bolt just slightly. As it comes down in hand, I think this gives us a better fit. That rounded edge doesn't want to interfere with that hump, which is pretty common with tie downs of this type that use this kind of bracket. So just a little tip: Put a flat spot on each one of those, and you really aren't going to have to worry about that.Now, securing these here you can see a couple flat washers, nylon lock nut. Those help spread the energy out over a greater area. We can just snug them down. At that point, you can see our tie down is going to be ready for use.Now as far as connecting goes, just about any type of strap that you have is going to work out really well. You're just going to clip that on. I think really the only ones that aren't going to work out with this will be the flat hook type. We just pull out the slack in our strap there, get it tightened down, secure off our excess.Now we do recommend always using straps in at least pairs, so keep that in mind. One thing I also like is that with this style you can see how we're pulling directly on it. That ability for it to kind of change angles means if we have our strap pulling higher, it's going to be pulling straight down. Here it's pulling straight to the side just like that. We don't have any of the cross pull inaudible 00:04:49.So overall, I think it's going to do an excellent job. It's really going to serve the purpose very well. If you don't mind a little bit of that rattling noise as you're heading down the road, I think this is a great choice..

Customer Satisfaction Score:

Customer Reviews

CargoSmart D-Ring Tie-Down Anchor - Bolt On - 1/2" x 3-3/8" - 3,667 lbs - 348818

Average Customer Rating:  4.9 out of 5 stars   (19 Customer Reviews)

This D-ring lets you add an extra anchor point on your truck, utility trailer or enclosed cargo trailer. Bolts to most flat, solid surfaces. Perfect for securing ATVs, UTVs, riding mowers, and other heavy cargo.


Works as described.



Works great


These are perfect. Recently bought a trailer for my quads and these D-rings will work perfect once installed. Shipping was fast also. Good job etrailer.


Nice heavy and solid anchor points. Shipped quick and arrived perfect condition. Great company to do business with and good prices. Up to date communications and helpful customer assistance. Have purchased from this company multiple times and have been very pleased with service/support/quality/communications each time.


Got the job done!


I think bolts, and back plate could have been included.


The "D" Ring from e trailer is definitely a quality product. It is sturdy and strong and I highly recommend it.


Mz M.




Arrived on time, good quality


Exactly what I ordered and delivered qu ickly.


good heavy duty, used same day installed, very easy to install.











See what our Experts say about this CargoSmart Tie Down Anchors

Info for this part was:

Employee Tyler C
Edited by:
Tyler C
Employee Jacob T
Video Edited:
Jacob T
Employee Cole B
Installed by:
Cole B
Employee Randy B
Installed by:
Randy B
Employee Matthew S
Updated by:
Matthew S
Employee Zach D
Video by:
Zach D
Employee Erin H
Written by:
Erin H

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