David wrote:

The expensive option from Screwfix was marginally better , but IMO not worth
it.

I found it to be very much worth it.


They do throw in a standard drill bit as well, but I suspect this to be
more of a freebie to justify the price

Didn't read the instructions then? The ordinary bit is for drilling the
wall/floor behind the tiles, so you don't use the tile bit to drill
other materials.

--
Grunff