my advice would be to get some parrot pinchers drill a big enough hole and pinch away
Sorry tea bag and anyone else that thinks this is the way to cut a 70mm hole, it most definitely is not... I did these holes this afternoon...I bought a 70mm diamond drill off the internet for less than £12.
I reckon including marking up the centres of 3 tiles, walking to the van to get my water feed kit, drill and guide then drilling out the 3 holes in porcelain took me less than 15minutes...
Whats the point in drilling out say a 20mm hole then spending another 5 to 10mins nibbling away when a 70mm bit will do the hole in one go...when you times that by 3 you,ve just saved half an hour. Diamond bits of the correct size are the way to go for sure
Cheaper than 3 chickens from Tesco:smilewinkgrin: