Recent content by Dr Nick Riviera

Thanks a lot for your responses. I specifically want to make existing drilled holes larger though and was under the impression from reading things online that it's really difficult/impossible to make an existing hole larger without special tools because the drill bit hasn't got enough to grab...

Hi, I have some holes in tiles that were drilled for studs to support some shelves. Unfortunately the holes are slightly too small for 5mm studs. What's my best bet to increase the size? Using a normal drill seems unlikely to work and risks the tiles breaking. Could I maybe use a file? There...