Dont crack the glass
Bosch aims to solve these problems with their new glass and tile bits that boast a unique geometry that allows them to drill better, faster, and last longer then traditional glass bits. Made of tungsten carbide, the precision diamond ground point eliminates walking, and allows for smooth cutting. Best suited for glass, ceramic walls, and ceramic floors; the new bits should be a welcomed addition to professionals and DIYers tool boxes.
Find more information at http://boschtools.com