Porcelain Tile / September 14, 2018 / Brousseau
It is not advisable to try and cool the drill bit by using an aspirator or drilling through a wet sponge these methods will not keep the drill bit cool enough and the drill bit will burn out. Set the electric drill to between 700 and 900 rpm. Make sure that the drill is in normal mode. Push the carbide drill bit gently into where you have marked the tile until you hear a cracking sound. Start drilling from a vertical position with sufficient pressure and dont stop until you hear a change in the tone of the drill. As soon as you hear the change in the tone begin to ease off.
Attach the appropriate diamond core bit to the electric drill and ensure that there is a constant supply of cold water that is being directly aimed at the diamond core i.e. by using water cooling equipment. Note regarding water cooling. It is important to ensure that there is a constant supply of cold water directed at the drill bit in order to keep the diamond core cool and to help remove any debris that may have built up whilst drilling the tile. It is not advisable to try and cool the diamond drill bit by using a hand held aspirator or drilling through a wet sponge.
Drilling holes into porcelain tile should take seconds not minutes. If it is taking you minutes it is likely that you are not applying enough pressure or that you are using an incorrect setting on the power tool. Best Tools for the Job. In order to drill perfect holes in porcelain tile it is extremely important to use premium quality drill bits. Armeg have been producing innovative high quality drilling solutions for over 30 years and Armegs PTC (Porcelain Tile Cutter) range is at the forefront of tile drilling technology.