Dave Plowman wrote:

Vortex13 wrote:

I will however obtain a so-called "carbide" cutter

I've never seen one.

There are various carbide and diamond blades, e.g.

http://www.antlerblades.co.uk/advanced_search_result.php?keywords=carbide

http://www.antlerblades.co.uk/advanced_search_result.php?keywords=diamond

Fine for a bit of tile shaping, but still not for chopping out half a brick.