Hi for best results follow the online picture sequence
Press (and hold) the plate onto the tile. The more you push the more it grips.
Dry drill for a few seconds (dry) to start the hole.
DO NOT PUSH TOO HARD OR APPLY PRESSURE
A little pit will form. You can now discard the plate and begin to use water.
Grab a wet sponge. Hold it under the drill and cool it as you drill.
8mm is better than 6mm