- Joined
- 8 Dec 2018
- Messages
- 24
- Reaction score
- 1
- Country
Hi
Sorry if this is a stupid question, but I need to drill a hole through the wall for a 40mm waste pipe and I wondered if I should use a 40 or 50mm core drill as I assume the outside diameter of the waste pipe is greater than 40mm?
Sorry if this is a stupid question, but I need to drill a hole through the wall for a 40mm waste pipe and I wondered if I should use a 40 or 50mm core drill as I assume the outside diameter of the waste pipe is greater than 40mm?