Hey, thanks a lot, guys, I think I will go with the machine screw idea. I don't even need to drill out the holes because with larger screw size I will just force it into the holes that exist. My crossbeam is 16 feet long, so it would be very difficult to use the end of batten idea. And the less I drill it the better I would feel about long time strength.
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<br>Thanks,
<br>S.<br><br>