On Tue, 16 Jul 2019 02:59:27 -0000 (UTC), John Doe
wrote:

I have one regular and one heavy-duty "flying parts" or whatever
they are called hole cutters. The heavy duty is too big to cut a 40
mm hole. The small one probably won't cut 1/4"+ thick 6061 aluminum.
I'd rather try something like this...

https://www.amazon.com/gp/product/B0...3H6VU16E&psc=1

Can you tell what sort of shank it has? I doubt square will work.
Round might work. I would prefer hex.

Any suggestions for a 40 mm aluminum hole saw, to be stuck in a
drill press?

Thanks.

I have a couple sets of these. What you are looking for is an Annular
Cutter:

https://www.mscdirect.com/product/details/66162819

https://www.mscdirect.com/product/de...12135?fromRR=Y

Dont bother trying to use these with a hand drill. A mill or good
solid drill press. Not! a Harbor Freight caca one either.

Ive used these to punch a hole in 1.5" 4130 plate in just a couple
minutes.



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"Poor widdle Wudy...mentally ill, lies constantly, doesnt know who he is, or even what gender "he" is.

No more pathetic creature has ever walked the earth. But...he is locked into a mental hospital for the safety of the public.

Which is a very good thing."

Asun rauhassa, valmistaudun sotaan.


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