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Subject: Re: [Homebrew_PCBs] Drill holes

From: Stefan Trethan <stefan_trethan@...>
Date: 2009-04-18

He won't, since he is looking at HSS for now not carbide.

I have personally used HSS drills freehand for a couple of years, and
it will be fine, although of course they dull very soon.
Still very acceptable for a few boards per year.

ST

On Sat, Apr 18, 2009 at 4:23 PM, Harvey White <madyn@...> wrote:

> You'll break them.
>
> It doesn't matter how many drills in the package, they're a random
> size, so good luck getting the ones you want to use.
>
> If you really don't want to buy and break carbide bits by drilling by
> hand, then a cheap HF drill press (40 USD or so where available and on
> sale) would work.  Not wonderful, but it would work.  You could either
> use the carbide bits or just go and buy regular hss bits (Internet,
> they're available), which don't last long, but then again, don't break
> and are somewhat flexible.
>
> I use a dremel tool on a stand, and can second the comment about the
> runout of the collets.  May end up trying a proxxon tool myself.
>
> Harvey