For aluminum and not a lot of holes I drill under and size it with a deburring tool...
M mogandave Well-known member Joined Nov 4, 2021 Messages 3,052 Location Bangkok Apr 13, 2023 #41 For aluminum and not a lot of holes I drill under and size it with a deburring tool...
I Innovate1 Well-known member Joined Jul 28, 2014 Messages 4,288 Location Illinois near St. Louis, Missouri Apr 13, 2023 #42 if you are doing this a lot and on the same size tubing you might want to make a fixture with a hardened drill bushing that clamps the tube. The would prevent the drill from wandering and also keep the metal from pulling up around the hole.
if you are doing this a lot and on the same size tubing you might want to make a fixture with a hardened drill bushing that clamps the tube. The would prevent the drill from wandering and also keep the metal from pulling up around the hole.