Hole size for 150mm PVC pipe?

Hole size for 150mm PVC pipe?

Hole size for 150mm PVC pipe?

I need to put a 150mm rigid PVC pipe through a brick wall for a kitchen extractor. I have the opportunity to borrow a diamond core drill but I need to get the correct bit size. Do I need a 150mm bit? Or should it be slightly bigger? Thanks.

by Tamlyn

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