This is more a question for your stonemason as we just sell and don’t do installs. Depending on the jurisdiction you are in, there’s a good chance retrofitting may no longer be feasible. May I ask which country you are in?
Hi!. This is an Australian drill not available in the US however you would easily find a comparable drill in the US. We don't have a recommended brand of holesaw. Sorry we couldn't help with this one.
