David Moodie wrote:

http://www.screwfix.com/app/sfd/cat/...60073&id=80273

given that one bosch tile drill is £6 in B&Q, these seem an expensive option
at £21, does anyone have any positive experience with them that could
justify the price, or are there any other suggestions for alterntive drills
bits?

Yes, I bought one of these (well, it's a pair) to drill the procelain
floor tiles. They are superb compared to ordinary (~£5) tile bits.

--
Grunff