Hey all, I couldn't get it any tighter or take it off. I'm going to have to take it to a shop.

Thank you for the help. I appreciate it.

Thanks to all of you. I am going to give this a go later after work.
I do have a Lemforder Ball Joints btw.

Hey guys, I was working on replacing my ball joints today and everything was going smooth until I stripped the hex key spot on the stud for the passenger side ball joint.

I cannot tight the nut any further.

Any tips on how to get this tightened up or should I go to a shop?