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David Lesher

writes:

And a sharp carbide masonry bit would probably cut aluminum adequately
to do the job, as long as it was't too thick, in regular drill mode.

We used standard masonry bits in a rig to drill containers ["safes"].
They are steel and hardplate - a mix of harder & softer steel with chunks
of tungsten carbide thrown in.

On a good day you'd use 5-6 bits, on a bad day a dozen...

So I doubt aluminum would slow them down that much....

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