Making a hole bigger

[mikejrice]

Originally Posted by nanomano

do you need to have the glass wet to do this? and What type of bit? like a diamond tipped hole saw i'd imagine?

Yes, you well need to keep water on the glass while drilling to keep it cool. You will need a diamond bit made for drilling glass.

Michael Rice
Marine Engineers Aquarium Blog
Sent from Tapatalk so excuse my poor English