A Quick Demonstration making a joint with a bracket, tek-screws and the AutoLock Driver:
How much can the AutoLock Driver Hold? Sometimes the proof is in the pudding! Here we show a screw drilled part way into a tube, held only by the AutoLock Driver. Over 160lbs hangs from a strap through that tube.
Of course we had a heckler question how much weight was on the bar... You can add the weight up yourself (the curl bar is 20 lbs):