Which drills for porcelain tiles ?

[Italy]

plumbers, blacksmiths, furniture assembly, are a plague
for our work performed.
at least here in Italy ....
few know how to use a diamond bits and many do not know that they exist.

 

[shiftspark]

Thanks for the info gents,
@jcrtiling would you use 7mm for 6mm plugs then?

 

[Dumbo]

I tend to use 7 mm plugs but the brand I always use is Fischer . but plug size depends on screw size

 

[White Room]

Drilling holes for clients could be a side line for tilers.

 

[shiftspark]

Just a quick update, I used a 6mm Marcrist bit ,started it at a 45' and slowly stood it up.
Thanks for the advice.