I'm learning about double drilling. Do many of you follow that process?
For example, if you are bucking 3/32" rivet, then first drill out a 3/32" hole. Follow-up with a #30 reamer to properly final size the hole.
The things go together so well initially, the match drilling may actually move holes.
I don't double drill, but in his book, Kitplane Construction, Ron Wanttaja promotes undersize drilling for holes that need dimpling, then final drilling to size after the skin is stretched during dimpling, so that the edges of the hole are smooth and line up with the shaft of the rivet.