If you go to a Ham radio place or supplier, they will have what's called
"chassis punches". You can buy complete sets that go to fairly large diam.
They are great for sheet metal.
Mike Carpenter
----- Original Message -----
From <dmeadow at juno.com>
To: <wsthompson@thicko.com>
Cc: <team-thicko@autox.team.net>; <spridgets@autox.team.net>
Sent: Monday, December 12, 2005 8:19 AM
Subject: Re: dies
> I've got a set I inherited from my grandfather, who was an electrical
> engineer. They were used for cutting various size holes in electrical
> panels to insert instruments. Perhaps an electrical supply place would
> carry them. You don't say how thick the metal is, though, and I wouldn't
> expect these to be able to cut anything very thick.
>
> They consist of two pieces, a cutting piece that fits on one side of the
> metal with two sharp prongs, and a hollow piece that fits on the other
> side. There is a bolt that goes through them (you have to drill a pilot
> hole) that is used to draw them together and cut the metal.
>
> On Mon, 12 Dec 2005 06:59:40 -0600 "Wm. Severin Thompson"
> <wsthompson@thicko.com> writes:
>> Anyone know of a source for dies to punch holes in sheet metal for
>> lightening?
>>
>>
>>
>> (Something that produces a nice radiused/strong hole in sheet
>> metal)
>>
>>
>>
>>
>>
>> Wm. Severin Thompson
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