Quote:
Originally Posted by frnkeore
If I'm getting this right, the hex of the bolt head is rounded, until a socket spins on it?
If that is the case, the way that I go about it, is to use a prick punch and a hammer to turn it. It usually works, if the bolt isn't to rusted on the threads.
Make a indentation, at the outer edge of the bolt head first. Then, with sharp, hard blows, drive it CCW, until it will turn by hand or pliers.
I'm surprised I don't hear this method mentioned on this forum. It's a old mechanic/farmer method I learned from my mechanic dad, when a teen and have used it in this way and flush, broken bolts and suds.
Sometimes, it's the only way to tighten a bolt, too.
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Chisels work too. A couple blows on a sharp cold chisel next to the corner, then use a blunt square ended chisel to continue without cutting the corner completely off. We be crude n'stuff, but sometimes it will get you home. If you ever see a nut that's all chiseled up, this is probably what happened. Especially a large one. Sometimes you can just sharpen the corners enough to get a socket to grab again.