Marble tile impact drill will crack
Mainly to grasp the intensity of domestic efforts in the first impact drill drilling is the best first in the wall with steel nails properly beat out the traces again the impact is slow so it is not easy to break because it will not impact Dapian at present a lot of impact drill switch are slow shock
Impact drilling of course can not bear, diamond can be used to drill the hole. There are bits of glass round mouth with two sharp, you just kind of nose.
Marble hole, you can use the above two kinds of drill:1, the first is the diamond drill bit, suitable for marble, ceramic tile, glass and other openings, the use of ordinary electric drill on the line;2, the second is also a carbide drill, can also be applied to marble, ceramic tile, glass, etc..Just note: when drilling to add water at any time, do not dry grinding, it will quickly damage the drill.