piclist 2002\12\09\145327a >
Thread: Comments wanted on PCB prototyping idea.
picon face BY : Spehro Pefhany email (remove spam text)

At 08:38 PM 12/9/02 +0200, you wrote:

>This is a metric country. I use 1mm or 0.8mm drills. 1mm I can buy at any
>DIY shop, 0.8 is $pecial order.

Try the kind of supplier that feeds machine shops and such like.

I use KBC tools, which has HSS 0.80mm drills for about 45 cents US ea.
(the smallest sizes, 0.35mm and 0.30mm cost a lot more).

M.A. Ford solid carbide PCB drills with standard 0.125" shank for
collets are more, about $2.50 US. But two (because you might break
one rather than wear it out) of those costs about the
same as an envelope of 10 of the HSS bits.

I got a nice assortment of 50 solid carbide drills and mill bits and other
things (mostly smaller than 1mm) from another supplier for about $15, with
color-coded plastic collars and a storage box.

Unfortunately, the HSS small drills are usually only jobbers length below
about 1mm (or 3/64), rather than the preferable (IMHO) stubby screw machine

>Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
spamBeGonespeff@spam@spaminterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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In reply to: <Pine.LNX.4.44.0212092036480.513-100000@plp.plp.home.org>
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