Use a step drill bit.
Doug/VA5DX
Subject: Re: [Amps] drill bits
This is not a "drilling steel" question, it's a "drilling
aluminum" one.
I have a Sears drill press, and can vary the speed, as
needed. Can
someone tell me how to drill small holes (for pots,
1/8-inch phone
jacks, RCA phono jacks, etc.) in typical small aluminum
chassis (plural)
so that the holes aren't triangular?
Bud, W2RU
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