T
tamz
Safer if you don't go over 2" with the grinder as there is no clutch but you can do it if you can hold it.
Core Buddy Hole Coring with an Angle Grinder - PWM Sales .Ltd - YouTube
and from about 1:30 here
Dry Hand-Held Core Bit - YouTube
Core Buddy Hole Coring with an Angle Grinder - PWM Sales .Ltd - YouTube
and from about 1:30 here
Dry Hand-Held Core Bit - YouTube