What is the fastest way to core holes on install.

What is the fastest way to core holes on install. Images

What is the fastest way to core holes on install.

What is the fastest way to core holes on install. Description

What is the fastest way to core holes on install.



What type of bits work the best on both Granite (http://tanbrown.org) and (http://maplered.com) es.
What speed is the gringer set on?
How long does it take on 3cm?
Wet or dry?


Thank You