I would use the hole saw. Of course, I've been collecting them for so many years, there aren't too many sizes I don't have...
On the other hand, http://www.ebay.com/itm/Greenlee-2-1-2-D...SwYmZXHm0T
On the other hand, http://www.ebay.com/itm/Greenlee-2-1-2-D...SwYmZXHm0T
Mike
SB 10K (1976) Rockwell vertical mill (1967) Rockwell 17" drill press (1946) Me (1949)
SB 10K (1976) Rockwell vertical mill (1967) Rockwell 17" drill press (1946) Me (1949)