Nut size for rail support bolts

[cybercom]

Hello all. Is there anyone that could tell me the size of nuts needed for the support bolts located on the upper sides of the CT? Sorry, I don’t know what they’re called but they’re the bolts used told hold things like the crossbars. I’ll attach a photo. I tried M6 nuts. They go on for about half a turn but then get locked up. I don’t want to strip the bolt threads.
Thanks!!

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[Black306]

They’re suppose to be M6. Did you try a different nut and/or stud?

https://digitalassets-shop.tesla.co.../manuals/Cybertruck_CrossBars_User_Manual.pdf

 

[aeroguy]

The front posts are indeed different from the back…don’t force it. I gotta check which bolts I used for the back two cross bars.

 

[cyberjeff25]

I believe the posts are all the same threads - I installed four of the Tesla cross bars - also I found the posts on the roof already had nuts installed on them - these need to be removed before installing the cross bars. I was not looking down on these posts and could not figure out why the bars would not fit down flush / got a leader - and then I could see the nuts. The posts on the sides of the bed did not have nuts already installed.

 

[TeX19]

The crossbars I purchased from Cybertruckco came with 10mm nuts that fit those studs. Make sure you plug the bottom opening in that well. I lost two nuts into the bowels of the body.

 

[TickTock]

Hello all. Is there anyone that could tell me the size of nuts needed for the support bolts located on the upper sides of the CT? Sorry, I don’t know what they’re called but they’re the bolts used told hold things like the crossbars. I’ll attach a photo. I tried M6 nuts. They go on for about half a turn but then get locked up. I don’t want to strip the bolt threads.
Thanks!!

All the studs are M6-1 thread. Nuts are typically 10mm.

 

[aeroguy]

All the studs are M6-1 thread. Nuts are typically 10mm.

M6 is what I have for the aft positions as well. I can’t access the front points with the roof rack installed, but I thought for sure the front were a different size.

 

[TickTock]

All of mine are the same.

 

[cybercom]

Thanks all. It ended up being M6. Just was a bit tight at the start, but they ended up fitting fine.

 

[wtibbit]

I've installed the crossbar kit on my truck.

All the studs on the truck are the same size. The nuts that came with the kit are the same size as the nuts that were already installed on the studs on the top of the cab.

There appears to be some type of thread lock compound on the studs. Removing the nuts from the studs had them already installed was a little difficult and installing the nuts on the bare studs was a little difficult, also.

I was careful to use the torque-limited tool that came with the kit and it was able to break the nuts free and remove them.

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