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Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4

Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4

Item # RR6K-4
Our Price: $113.02
Tie Down Anchors
Shipping Weight: 14 lbs
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These sturdy steel D-rings create stable tie-down points in your trailer or truck bed. Recessed D-rings swivel 360 degrees for versatile tie-down positioning. Installs easily with the included backing plates and hardware. WLL is 2,000 lbs per D-ring. Great Prices for the best tie down anchors from Brophy. Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 part number RR6K-4 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (240)
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Brophy Tie Down Anchors - RR6K-4

  • D-Ring
  • Tie-Down Cleats and Rings
  • 2000 lbs
  • Trailer Tie-Down Anchors
  • Truck Tie-Down Anchors
  • Recessed Mount
  • Brophy

These sturdy steel D-rings create stable tie-down points in your trailer or truck bed. Recessed D-rings swivel 360 degrees for versatile tie-down positioning. Installs easily with the included backing plates and hardware. WLL is 2,000 lbs per D-ring.


  • D-ring anchors provide tie-down points in your utility trailer or truck bed
    • Perfect for securing a rope, cargo net, bungee cord, or ratchet strap (sold separately)
  • 360-Degree swivel lets you rotate D-rings so you can easily attach straps from any angle
  • Recessed, low-profile design helps prevent D-rings from interfering as you roll cargo into and out of your trailer or truck bed
  • Backing plates reinforce the surface of your trailer where the tie-downs attach
  • Zinc-plated steel resists rust and corrosion
  • Bolt-on installation on flat surface
    • Cut a hole in your trailer or truck bed for the recessed portion of the D-ring to sit inside
    • Backing plates attach directly under D-ring anchors and on the opposite side of the mounting surface
    • 16 Nuts, 16 lock washers, and (16) 5/16" x 2-1/4" bolts included


  • Maximum load (break strength): 6,000 lbs per D-ring
  • Safe working load limit (WLL): 2,000 lbs per D-ring
  • Anchor dimensions:
    • Base diameter: 6-5/16"
    • Recess: 7/8"
    • D-ring thickness: 1/4"
  • Backing plate dimensions: 6-1/2" long x 6-1/2" wide x 1/8" thick
  • Quantity: 4 D-rings
  • Limited 1-year warranty

Distance between mounting holes and dimensions of Brophy D-ring anchor

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.

RR6K Brophy Rotating Recessed Trailer Rope Ring Mount Kit w/ Backing Plate and Hardware - Zinc Plated Steel - 6K

Customer Satisfaction Score:

Customer Reviews

Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 - RR6K-4

Average Customer Rating:  4.7 out of 5 stars   (240 Customer Reviews)

These sturdy steel D-rings create stable tie-down points in your trailer or truck bed. Recessed D-rings swivel 360 degrees for versatile tie-down positioning. Installs easily with the included backing plates and hardware. WLL is 2,000 lbs per D-ring.


I am completely satisfied with the product. However, I had two problems; 1. One of the metal baking plates was missing from the box. 2. The online video on installation needs to be corrected to reflect the proper size hold saw to use. The video indicates you should use a 4 3/8" hole saw; however, if you use this size saw, the D-ring anchor base will not seat properly. In addition to purchasing a 4 3/8" blade, I had to go back and purchase 4 1/2" blade, which worked perfectly. Small difference in size, but big difference in fit.
The video recommends you be very careful about making sure the holes drilled are perfectly vertical, and they are correct! The holes in the backing plate are barely big enough for the bolt; so beware.
The good news is that customer service was prompt and immediately shipped me a replacement unit, not just the backing plate. Once installed, this is one sturdy anchor and should easily handle my wife's new Polaris Ranger.



It has worked great! Good solid tie down brackets.


These have been mounted in my trailer for a year now and work great. I did drill 4 small holes for the water/snow to drain out, I have a little bit of rust around the holes I drilled. These will hold a car down very beefy


Excellent product! Strong and versatile design. Looks amazing on my trailer floor.


Well made product, quick shipping, great customer service once again.
I used a router with a mortise bit to get a round and flat bottomed hole to install the hold-downs.
Much cleaner than the "use a hole saw and screwdriver out the chunks" install shown on the video.
Only issue is that the kits come with regular bolts.
Should have carriage bolts to allow loaded material to slide across the top of the folded tie downs.



Still would prefer carriage bolts in the installation kit for cargo to slide across rather than catch and damage the cargo. That change would make these the BEST PRODUCT by far.


This is the top of the line tie-down rings. You will pay more but it is the best you can have.


Well I haven't installed them yet; but if the construction is any indication of the performance, these will be a kick ass addition to my Trike trailer. I wanted swiveling D-Rings as opposed to the fixed D-Rings. Those are probably strong enough to hold my Trike; but why invest in a cheaper D-Ring to save a buck and always wonder if pulling on an angle is weaking the D-Ring. I just want to do a straight line pull to the anchor point. The bottom plate is also going to a a ton of strength to the unit.


I wish the 4 items would of all been the same. In my order I got one which had carriage bolts and three had standard bolts. Also two of the four had four holes in the bottom for water drainage. I did drill the other two to match. I would of liked to have all carriage bolts but they need to have square holes on top part, only one of mine had. Thanks.

Robert P.


Works very well. Glad I installed them


I'm not exactly sure why these cost what they do, so -1 star.

Installation is super easy.

USE THE BACKING PLATE to drill the 4 holes. Don't mark and then drill. Just use the plate and let er rip. I used a jig saw with a fresh wood blade for the big hole. No bother with a giant hole saw.

The ad shows regular hex head bolts, but mine came with the want regular carriage bolts.

I am not too excited they are not galvanized though. These things are right there on the underside of the trailer bound to turn into rust turnips, so be sure to spraw with some weather protection the underside.


I think I need more of them



They worked really well…. Putting the whole in the floor was the only challenge

Etrailer Expert

Mike L.


@Wayne That can be a challenge. A straight cut bit in a router works best for wood trailer floors...


Absolutely amazing customer service!


Install was easy and all required hardware was included.


These tie downs are very well built and perform as expected. Easy installation, just drill out your holes and bolt in.



Mike P.




Brophy recessed D rings are an awesome product. Would definitely purchase again. The instructions say to use a 4 3/8” hole saw but definitely use a 4 1/2” hole saw for a better fit.


Good heavy duty metal. Ready to install. Perfect for securing my RZR.


These seem to be very strong. The only thing I do not like was when drilling the bolt holes, it did not seem like there was much wood between the bolt holes and the hole for the swivel d ring. May need to increase lip size on swivel or design it to use smaller diameter bolts instead of 3/8s. I feel okay with steel plate behind it, but if I didn’t have that I would be worried.


Quality of the products


more tie down the betters


I promised Amy that I would follow up after installing the d rings kit. I'll start by saying it is a very good concept. To have the d rings swivel flush mount setup makes the system very versatile which is a big plus. The install had some major problems that I shared with Amy when placing my order. There are multiple videos on YouTube that address these issues and Amy wasn't aware of these videos,so I promised her I would follow up with her as to what my experience was. Your install instructions on your website instructs us to use a 4 3/8 hole saw which I used. The hole is clearly to small for the d ring housing to fit in the hole pictures included. This is mentioned in all of the videos on YouTube. I will include pictures of the original hole and a final picture of the hole after I had to widen the hole with a jig saw. Also your website is confusing because it displays a picture of the d ring set using regular hex bolts that don't support the system to sit flush. Amy assured me that all the kits come with carriage bolts, which my kit did thank you. I can assure you it would help you sell more kits if you update the picture to include the carraige bolts and square plate hole setup. I really like the durability structure of the kit and now that it's installed, look forward to putting them to work. I hope my feedback helps with future marketing.
Respectfully Bruce Stropp


I installed these as part of my project to replace the floor of my 16 ft. utility trailer. I was able to drill and chisel the countersink without too much trouble. It is challenging to drill the holes for the bolts to align perfectly with the bottom bracket. In fact, I am not sure I could have done so with all the other boards installed. I recommend doing this as part of a new floor install. I agree with some other comments that the bolt holes are very close to the countersink hole. This makes it very difficult to avoid collapsing the bolt drill hole into the countersink hole, which further affects the ability to drill straight. I think if I were to do it again, I’d mark the boards, take them off the trailer, and use a drill press. All that said, I really like the look and function of these anchors. I think they will perform well in the rough-sawn oak floor. Here are some pics of the finished job:


The mounting holes are too close to the inside edge of the bracket. This significantly weakens the installation on wooden floors. A 4 3/8 hole saw does NOT allow the swivelling ring to mount flush. Significant grinding away at the 4 3/8 hole is needed to get the ring to mount flush. Brophy needs to move the mounting holes out at least 1/4" to allow the bolts to be drilled through the wood floor it is mounted on, and recommend a 4 1/2" hole saw to make the installation to fit perfectly.


Love these with one exception. If you're installing in wood, be careful when drilling the mounting hole so close to the recess hole. There will be very little material between the two that it tends to splinter and migrate. Not sure what the solution would be except a larger base plate to spread the mounting holes further out.


Works as described.



Perfect, works great


I love these anchors. The are such a nice addition to my trailer, making tie-downs of vehicles/cargo much easier. I’m seriously thinking about adding two more in the middle of the trailer to make securing smaller items easier. They are fairly easy to install, especially if you have drill and plunge router. I used the backing plate as a template to drill the mounting holes, secured backing plate with just two bolts while using router with top guide bit to cut out hole just deep enough for anchor to fit in, then drilled a drain hole in bottom of cutout to allow any moisture to drain out. It worked like a charm and made installation go very quickly.


Have to admit it should be difficult to get excited when delivery hands you a box of backing plates. However when the box is 4x heavier than you expected you start to wonder. These are the best plates I have ever seen. Solid built. Great flush mount attaching hardware and backing plate is thick. Finish looks solid but I will spray with Rustoleum for additional confidence. Also think the swivel gives me a lot more options for product placement.

Show More Reviews

See what our Experts say about this Brophy Tie Down Anchors

  • Hardware Included With The Brophy Swiveling D-Ring Anchors # RR6K
    The Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware # RR6K-4 uses grade 5 hardware for attaching to your trailer. The included parts and hardware are all Zinc coated for corrosion resistance. The 16 bolts themselves are 5/16" in diameter and 2-1/4" long. You also get 16 lock washers and 16 nuts for attaching to the trailer. Each Anchor # RR6K is rated for a safe working load limit of 2,000lbs, which will give you a maximum safe working load of 8,000lbs when you are using...
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  • Working Load Limit Weight Capacity of Brophy Tie Down Anchors # RR6K-4
    Yes, you are correct. If you used all 4 of the D-rings of the Brophy Tie Down Anchors # RR6K-4 you'd have a safe working load limit created by them of 8,000 lbs. This would be more than enough for your car that weighs 3,900 lbs.
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  • Mounting Brophy Swiveling D-Ring Anchors on Wood Floor Trailer
    You are correct. You will want to use the backing plate to sandwich the boards and provide the most secure connection when installing the Brophy Swiveling D-Ring Anchors # RR6K-4 . You can mount these in a recessed hole created by a router or punch all the way through the board using a hole saw.
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  • Is There a Torque Figure for Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware # RR6K-4
    There isn't a set torque figure to tighten the install hardware of the Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware # RR6K-4. Your best option would be to get them hand tight with appropriate tools when installing everything.
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  • Will Brophy Swiveling D-Ring Anchors Fit a 2x6 Trailer Floor and Where Does Backing Plate Mount
    The bolts included with Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 Item # RR6K-4 are 2-1/4 inches long. If longer hardware is needed for the mounting surface then you would obtain some from a local hardware store. The backing plate would always go beneath the mounting surface. It is meant to help distribute the force applied to the D-ring to a larger area than just the 4 bolt locations.
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  • Does Brophy Swiveling D-Ring Anchors Come with Hex or Carriage Bolts
    The Brophy Swiveling D-Ring Anchors with Backing Plates and Hardware part # RR6K-4 no longer comes with hex bolts. Instead, it comes with carriage bolts now which makes for a smoother surface once finished.
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  • Does Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware Come with Hex Bolts
    The Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 Item # RR6K-4 comes with hex bolts like you can see in the attached picture. I was not able to find an reference from us to it coming with carriage bolts.
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  • Could Brophy D-Ring Anchors w Backing Plates and Hardware # RR6K-4 Be Used to Secure Vehicle
    Each of the Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware # RR6K-4 that you referenced has a capacity of 2,000 lbs. If you used more than one you'd have enough capacity for most vehicles since the capacities essentially combine. Since this is a set of 4 this kit would easily have the capacity for securing a vehicle assuming they are installed properly and you were using a strap strong enough. The Erickson Ratchet Strap part # EM78627-MS would be a great strap to use with...
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  • Is There a B&W Biker Bar Compatible with a 2020 Indian Springfield Motorcycle
    I may have a solution for you, but B&W does not make a Biker Bar that is compatible with Indian motorcycles. However, you can use something like the Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 # RR6K-4, which will bolt right to your wood floor and give you a secure way to transport your bike. You could use these with some ShockStrap Ratchet Tie-Down Straps w Shock Absorbers - 2" x 9' - 2,000 lbs - Qty 2 # 297-9RSDB and give yourself a safe...
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  • Recommended Tie Down Anchor for Aluminum Trailer
    The Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware - Bolt-On - 2,000 lbs - Qty 4 # RR6K-4 are a great choice if you're in need of fixed points on the floor of the trailer and don't care much about flexibility of spacing for different sized cars. If you're looking for a bit more overall flexibility then I recommend using Erickson E-tracks like the # E19148. These tracks will allow you a wider variety of tie down spots along the trailer floor, so it will just make the overall...
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  • Do the Brophy Swiveling D-Rings Have Weep Holes
    I have another solution but the Brophy Swiveling D-Ring Anchors part # RR6K-4 do not have weep holes designed into them. I agree that they are a great idea and should have them. I have installed these in the past and drilled my own holes to ensure proper drainage I then touched up the holes with clear spray paint to help keep rust away. The other option which does have weep holes to drain water and has the same capacity but you lose the Swiveling aspect is the etrailer D-Ring Tie Down...
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  • Recommended Trailer Tie Down for 2020 Harley Davidson Tri-Glide Ultra Trike
    I have a solution for you to secure your 2020 HD Tri-Glide Ultra Trike to the floor of a trailer, but the B&W Biker Bar # BWMC2301 is only compatible with the 2014 and earlier Tri-Glides. After 2014 they changed the location of the foot-brake, making this product incompatible with the Tri-Glide series trikes. Instead, I recommend using tie down anchors like the Brophy Swiveling D-Ring Anchors with Backing Plates # RR6K-4 which will provide you with 4 points on the trailer to secure your...
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  • Trailer Hitch Mount Bike Rack for Recumbent Bikes on a 2012 Hyundai Elantra
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  • Recommended Solution for Tie Downs on Floor of Suretrac Aluminum Trailer
    I do have a solution for you, but I think welding something to the floor is going to really limit where you can place things to have them tied down. I don't think you're going to be able to get away from the issue with galvanic corrosion since most tie downs are going to be steel, you can still use a steel system on the aluminum floor as long as there is some sort of barrier between the two surfaces-rubber, plastic, wood, etc.. With all of that said, I've got 2 options for you to consider....
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  • Recommendations for Securing Marching Band Equipment in Enclosed Trailer
    Instead of securing your marching band equipment from the floor you could secure it from the wall using the Erickson Vertical E-Track # E19146. You can then use the Erickson E-Track Tie-Off w/ D-Ring # E59143 to provide tie-down attachment points or use a tie-down like the Erickson E-Track Strap with Ratchet # EM59136 that installs directly into the E-Track .I have also attached a link to our selection of accessories that are compatible with the E-Tracks that you can filter through. An...
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  • Motorcycle Tie Downs For a 2021 Indian Roadmaster
    I do have a recommendation for you as the B&W Biker Bar # BWMC2301 is impossible to use with your 2021 Indian Roadmaster as it does not have the tube frame like Harley's use. Instead you will need to use a Wheel Chock # FHG37ZR along with Straps # 297-7RSBB-M to secure your Roadmaster. The Brophy Swiveling D-Ring Anchors w Backing Plates and Hardware # RR6K-4 will give you anchor points you can place in your floor if you do not already have anchor points.
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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Jeff D
Installed by:
Jeff D
Employee Randy B
Installed by:
Randy B
Employee Hayden R
Installed by:
Hayden R
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Amanda M
Written by:
Amanda M
Employee Zach D
Video by:
Zach D

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