Re: Off topic: Very small holes in steel

From: Tom Richards (
Date: Wed Feb 03 1999 - 20:56:53 EET

Terry (all): You might contact who can do it for you.
I see that HGA has taken hold in our lexicon! How fast things move.
Best Regards, Tom Richards, Metallurgist

At 08:23 PM 2/2/99 -0500, you wrote:
>I'm working with a company that wants to produce very small holes in steel.
> What would you use to produce 5 to 20 HGA diameter holes in 0.25 inch (6.5
>mm) thick tool steel. What is 5 to 20 HGA you ask? Well, to most
>Americans, it's 0.005 to 0.020 inch, .... and to the rest of the world,
>it's 0.125 to 0.5 mm. That's small, but I am under the impression that
>lasers are available that can produce holes that small?
>Terry Wohlers
>Wohlers Associates, Inc.
>OakRidge Business Park
>1511 River Oak Drive
>Fort Collins, Colorado 80525 USA
>Fax 970-225-2027
>P.S. I found the GA discussion creative and humorous! Thanks for
>lightening the day.
>For more information about the rp-ml, see

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