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Use this hardware kit to mount (2) 10" brake assemblies on your trailer. Includes nuts and lockwashers. For assemblies with pre-installed mounting bolts.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the mounting hardware for 10" brake assemblies. This hardware will allow you to install two trailer brake assemblies to the 4-bolt brake mounting flange on the trailer axle. This hardware is designed to fit the 10" brake assemblies that already have the mounting bolts installed on the assemblies. These will work with electric or hydraulic brakes. It includes everything shown here on the table. It includes eight of the 7/16 by 20 nuts, and they do have a head size of 11/16. Here's a socket that has 11/16.
You can see it fits perfectly. It comes also with the eight lock washers. So, this would be all used to install the assemblies to your axle. That should do it for the review on the mounting hardware for 10" brake assemblies.
I didn’t like having to buy mounting hardware kit separately, hardware should be included with brake backing plates.
Definitely worth the few extra bucks to get new hardware when you change brakes.
Bought new breaks for my trailer and wanted new mounting hardware.
Worked well with new full backing plates
Fast shipping
Works as designed.
Great, fast shipping. I am confused because somewhere I read that if you buy the Right and Left set of brakes, the mounting nuts are free. Someone posted they had to buy the nuts. So, I ordered them too. P.S. they didn't send any extra nuts.
Was very happy with your product
As usual you never fail,from ordering to delivery your simply the best
Replacing Trailer brakes very easy with your brake assemblies. Thanks
Well worth not having to make a trip to the hardware store. Very convenient.
Great service. Quick shipment on brake assemblies and tires. Competitive pricing. Found myself a new supplier.
SHOULDVE BEEN PUT IN A BAG INSTEAD OFBEING THROWN INSIDE WITH THE BACKING PLATES
Perfect fit.
The shipping was fast. I am expecting a second order I made for tires on aluminum rims in a couple days. I am looking forward to receiving them to upgrade my new trailer.
After some difficulty removing the nuts on the back of the brake mounting plate, I decided to just order new hardware and toss the old nuts and washers away. Replacement hardware arrived within two days, did not delay re-assy as weather rained. Just a note, I would recommend that e-trailer just include the hardware when you order replacement brake assemblies. 7/16 x 20 nuts are not that common.
Well, you may not see the actual brake controller in these shots, but I wanted to display just how much etrailer product was used to restore this old trailer. Re-decked the trailer, new wheel bearings, added brakes on all 4 with this brake controller and battery powered emergency disconnect... new rust protection, primer and paint, new lights and wiring all the way around, new wiring harness/box, and new tire carrier. Nearly all product except the decking and paint was from etrailer. the customer support was fantastic, I highly recommend this company!
Excellent quality nuts and washers. If doing brakes, there is no reason to reuse the old mounting hardware!

Darrell M.
9/24/2018
Everything is great! Just had our Band Boosters order new wheels and tires from etrailer!
Great product. Ordeing was easy. Parts work an fit perfectly.
I installed the brakes on the front axle of my boat trailer that carries a 21' fiberglass deep hull off shore boat. They work good as long as you have the controls set to the proper amount of gain. Even with the 5000# weight of my boat if I have the gain too high and hit the brakes too hard they will lock up. This is my second set for the same trailer. I found that no matter what you do not immerse them in saltwater. When I am going into saltwater I remove the brakes and put regular trailer hubs on until I am no longer in the saltwater environment. It's a hassle but I have never felt safe with surge brakes.
worked great
Hardwear kit not sure why it doesn't come with the backing plates? It did help with a nice new clean install.

Mike L.
7/24/2019
In the product descriptions for the brake assemblies, we mention that the mounting hardware is sold separately.
I’ve been well pleased with the trailer hubs , drums, and electric break assembly and the price was very satisfactory. Made a noticeable difference in in the tow ability of my camper. I’ve recommended this product and etrailer to a number of friends. Will definitely be shopping with you when I need parts.
Ordered brake assemblies for all four wheels on a 3500 lb. 2-axle travel trailer with mounting hardware and heat shrinking wire connectors. Everything was very high quality and assembly took about 45 mins. per wheel. It also shipped in two days so I couldn't be happier about the transaction. Thanks.
Never disappointed with etrailer! I changed the electric brakes before, so I knew what to expect. This RV has been in the Fla. swamps for over 10 years, so rusk was dominate on the nuts. A bit of cleaning, penetrating oil and all went well. New wiring, new brakes and everything works great.
Ian W shipped exactly what I needed and shipment arrived on time and well packaged. Hats off to ALL those involved in this process. I'll be back.
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Fran
6/3/2024
It took me awhile to put the new self-adjusting brakes on the trailer. But, these nuts and lock-washers worked great.