[sdiy] Metal work

[HARRY BISSELL]

They work fine in a hand drill ~if~ the diameter is not too 
large.  Be sure to drill a pilot hole first with a standard
bit. I don't like starting a hole with the step bit.

H^) harry



----- Original Message -----
From: Ingo Debus <igg.debus at t-online.de>
To: synthdiy DIY <synth-diy at dropmix.xs4all.nl>
Sent: Wed, 29 Jul 2009 15:11:45 -0400 (EDT)
Subject: Re: [sdiy] Metal work


Am 29.07.2009 um 19:39 schrieb Byron G. Jacquot:

>> Use a "step-drill" for holes in sheet metal. Round holes every time !
>
> Up to something like 1.5" in diameter!!

But only with a drill press, no?

Ingo
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