[Amps] drill bits

[Doug Renwick]

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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