Drilling a hole in a pane of glass or a mirror is simple. The key is to use a carbide bit made especially for glass and tile . Because glass is extremely smooth and hard, the bit will want to wander as you start drilling. To give the bit a foothold, tape a small scrap of dense cardboard (like cereal box cardboard) to the glass. Begin at very low rpm to create a dimple in the glass, then remove the cardboard and continue at about 400 rpm. If you're drilling on a horizontal surface, you can pour a little oil on the area.
Make sure the glass is firmly supported on the backside and place only very light pressure on the drill; press too hard and you'll crack the glass. The bit creates a clean hole on the side it enters, but usually chips the edges of the hole on the other side.For more details approach our Drilling and Boring company AV Drilling ( http://avdrilling.com.au ) for any type of drilling and boring related works.
Answered Feb 16, 2016
Edited Mar 03, 2016