MR> JE> The standard chucks on my 1/4" drills will handle bits even
MR> JE> smaller than 1/16".

MR>But will they handle anything small like a #70 (.028") or maybe
a 1/64"?

My 1/4" drill chuck goes at least down to a #60 (.040") - I
can't locate my set of bits that go to #80. That's far
smaller than a 1/16" bit. I have used a #80 in the past
without any special chuck.

Jay

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