If the idea is to return the frame to its original (hole-less) state, you might want to ask the moderators to move this thread to the Framebuilders section. (To do so, click the round red "Report" button at bottom left in any of your posts in this thread.)
If you're thinking of adding appropriate bottle cage frame fittings, do a search for, e.g., bicycle water bottle metric nutserts or metric rivnuts.