Tim S wrote:
What's the best holesaw for GRP (acrylic bath and GRP header tank)?

I have to ask because in both cases I cannot afford *any* mistakes(!)

I have used the standard BiMetal ones and they worked fine on a GRP
bath. Also with baths, most fittings will be designed with a flange that
would cover any chipping anyway.

--
Cheers,

John.

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