How to cut a round hole in paving stone?

[useless]

It probably works, but the question is for how long. It's not that expensive, so you might as well try...

 

[Dan_Johansson]

Doesn't this work?

[link]

You need to have a center hole for that to succeed ... and I think you'll need one holesaw per stone approximately ... don't forget to cool with water as well ...