weld

I am looking for recommendations on a JB Weld or similar that can weld a nut on a metal sheet so that I can screw in a bolt. Which JB weld or similar is know to result in a metal like weld? Was reading about J-B Weld SteelStik, is this known to cure as such? While installing a running board one...

I was wondering how horrible it would be to weld on recovery shackles onto my factory bumper. I saw a few threads kind of frowning upon it, and i know the factory bumper isn't the sturdiest. What if i welded reinforcement on the inside of the bumper? I was thinking if they were welded on...