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Plexiglass + holesaw = broken plexiglass?

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Jonny C

Member
Joined
Jun 17, 2014
Messages
17
Location
London, UK
Hi all, I need to cut a circular hole in a 1/8" thick plexiglass canopy in order to fit a latching mechanism. The hole diameter is 1.5".

I've only got one chance at this and I don't have an offcut on which to practise!

Has anybody tried this? Is it even possible?

I can drill a pilot hole with my plexiglass drill bit so that's no problem. But the moment the holesaw itself makes contact I'm concerned that however gentle I am the plexiglass is going to crack. The teeth on the standard holesaw just don't look right for plexiglass. How about a diamond holesaw for glass/tiles - or would that just clog up?

Thanks for any suggestions (I suspect I know the answer: don't even think about it!)
 
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