big holes into any tile
Using a hand drill
Scratch out a circle in plasterboard with drill
Use drill at an angle to grind into the soft plasterboard. Go slowly.
Poke out circle of plaster board. Your template in less than a minute!
Put template onto tile. Secure in place. Stand on it. Bricks. Get a mate to hold it.
SLOWLY drill tile. Pull back on the drill to get the best grip. If in doubt practice.....
Remove plasterboard to reveal a neat but dusty hole. Discard the guide
Add a splash of water.
Here we go !
We have cut the tiles. At this point chip away the internal tiles. Then use a normal drill to go beyond
By way of stupidity and showing-off we drilled into the chip board. Dont do this - it blunts your drill bit.
Nice sandwich of tile and chipboard. Point here is that the hole is perfect. Impressed?
Hole is lovely and ready for the loo pan holder. Nice work.
Perfect fit at 100mm. Just needs grout or silicone for a job done.
YOUR customers will be looking at this workmanship for many years to come. A bit of skill. Some time spent going slowly. And nice work as a result.
Using a bench drill
If you have £40 invest in a pillar drill. This gives you more control over slipping
We set it up on our very old outdoors bench drill. Then put water on it.
Can you see the glass tile on the right? Its whizzing into that.
Keep the water on. Drill slowly though. About 520rpm. Dont push to hard. Let the drill do its work.
You MUST be impressed? - Its just gone through FOUR tile types. Look at the quality.
We did it again and drilled the chip board. Please dont!

To pull the plug out get an old drill pit and pushhhh.
A perfect hole is born. Have a look in more detail
Thats a glass insert. And its not been disturbed. Perfect and very clean lines
Heres the plug.
. Another perfect hole to fit a loo pan.
Large hole drilling is great for soil pipes, extractor fans, shower roses and controls etc etc.