Porcelain Tile / September 13, 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.
There was a time in the past when porcelain was synonymous with decorative pieces such as vases chinaware figurines and the like. The misconception that porcelain was fragile or delicate was common. However the many uses of porcelain have grown through time and it continues to be a valuable material in the dental profession for dental prosthesis and dental veneers. Today porcelain is a major industrial material used in insulation because porcelain is highly resistant to heat resistant to abrasion and is non-porous. That is why porcelain makes excellent floor tiles for both residential and commercial use.
How to lean in... To lean in simply start the drill at an angle as soon as the drill bit has started to cut the tile slowly bring the drill into a vertical position. Ensure that sufficient pressure is being applied (tile dust should be evident in cooling water) and rotate slowly until you have cut the perfect hole. As you finish the hole you will notice that the tone of the drill will change. Using sticky drive pads. If you use a sticky drive pad it is unnecessary to use the leaning in method.