They are a little expensive, but this is the way to go. You get nice round
holes. I try to drill from both sides which is a help. You can get step
drill bits from good old Harbor Freight cheaply.
Use a step drill bit.
Subject: Re: [Amps] drill bits
This is not a "drilling steel" question, it's a "drilling
I have a Sears drill press, and can vary the speed, as
someone tell me how to drill small holes (for pots,
jacks, RCA phono jacks, etc.) in typical small aluminum
so that the holes aren't triangular?
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