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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today, we're gonna take a look at the M8-1.25 steel zinc-plated serrated hex flange nut. This is for a quantity of one. Now, this can be used on the Chevrolet and GMC trucks to connect the factory run 12-volt lead and the trailer brake power lead to the post in the fuse box under the hood. This nut is a steel construction, has a nice sink-plated finish to it. It is a class eight grade serrated flange nut.
The size again we mentioned is M8-1.25 coarse thread, and the hex head size is 13 millimeters. But that should do it for the review on this M8-1.25 steel zinc-plated serrated hex flange nut.
Average Customer Rating: 4.9 out of 5 stars (64 Customer Reviews)
Fits as needed for installing a trailer brake on a 2013 Yukon
Well, it's a nut. Not much that can go wrong. Used this on my GMT400 Yukon. (1996 Yukon) for the AUX post in the fuse box for installing my trailer brake controller and to get AUX power for the trailer plug.
The item that arrived did NOT fit the stud in my engine compartment for the factory wiring for brake controller on my 2013 GMC Yukon- the nut that arrived was about three times larger than needed- I called to report this, spoke with Ashley and there was no answer how to get the correct nut needed
Worked just fine on my 2011 Yukon XL te rminal
I ordered a trailer brakes controller and a couple of metric nuts, they were delivered on time and in good condition, now it’s time to install.
Have to power post on my truck and after installing my break controller I had a hard time finding a but that would fit. This worked out perfectly.
Threaded right on to post on fuse box to hook up brake controller wire to when installed.
Everything was easy to install thanks to the Etrailer video on Youtube. I got it all done in about 20 minutes and it all works great. I highly recommend this company.
For only xx cents this saved me a trip to hardware store to hook up brake controller under hood 2008 Silverado
Fit perfect. Saved me a trip to the hardware store.
The most outstanding flange nut ever! It was great! Second only to the 6M flange nut I bought moments before.
The most outstanding flange nut ever! It was great! Second to none!
Items arrived quickly. Installed in minutes. The videos available online are very helpful.
Fit my 07 Chevy avalanche for finishing up installing brake control
I love this nut. It fit my 2013 Silverado like a glove! Thanks Etrailer!
Fit perfectly without wasting time at the hardware store.
It is a nut, what can I say.
Joe
Nice product and very happy with it. took a little time to to install but no problems with it.
Just as advertised and exactly what I n eeded.
Great product easy to install good price .Called customer service with one question they were very helpful .
very pleased
No problems..
Best price I found, very good quality, quick delivery. What's not to like?
But does its job.
Worked great
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Brooke M.
9/6/2022
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