Anybody know where i can buy a range of diamond grit holesaws for cutting fibreglass

I don't. But I just used normal ones from toolstation.

And me from B&Q. Also cut through aluminium.

if you have to have diamond grit ones, there are some that can be bought from B&Q for doing tiles, also there are those for cutting bricks,...

As noted for a few holes standard saws are ok.

it seems to be quite rough when it cuts on aluminum, really don't want to crack them

Sorry to not answer your question but respond anyway, but:

I find the Starret range of holesaws to be superb and very clean cutting through FG and Carbon etc...

I thought the general rule with GRP is that you actually don't want a super sharp drill and that a slightly blunt one works better because it doesn't chip the gel-coat? Or maybe that's urban myth.

masking tape is a must, cut the hole undersize then make good with a dremmel with sanding bobbin on or cut out with the dremmel

I only used a cheap set for mine and they did the job just fine.

thanks

I used a standard metal cutting holesaw, cutting through 2 layers of masking tape and joining the holes with this, using a fine metal blade.


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Originally posted by BenB
I thought the general rule with GRP is that you actually don't want a super sharp drill and that a slightly blunt one works better because it doesn't chip the gel-coat? Or maybe that's urban myth.

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quote:

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Originally posted by femster87
Anybody know where i can buy a range of diamond grit holesaws for cutting fibreglass

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