Ask your local glazier
Look in the YP under Glass

Most will start the hole with a dremel with a carbide stone in it, then carefully enlarge the hole as needed.
Mississippi Steve Reviewed by Mississippi Steve on . Drilling very thin glass I found a Volumetric Flask. It's glass and its about 1.5 feet tall. The glass is very thin and Im wondering if i use a diamond bit drill and go slowly as well as wetting the glass with water will it crack? Rating: 5