Go for it on the RT. Drill to 1/2” set up on the RT with parallels or a flat sacrificial plate. Use a dial test indicator to align hole to center of table. Then use the DTI to align to the spindle. Offset to get your desired pass depth. make the rotary pass and the repeat to final diameter. Of course you can also make multiple depth passes for thicker material/deeper holes to control chatter. Keep the end mill smaller than the hole by a significant amount say 1/4” starting in a 1/2” hole to avoid chatter. Used to do this on my Bridgeport. A dozen holes will convince you to buy a boring head.
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