On 2008-02-18, Doug White wrote:
Keywords:
On Mon, 18 Feb 2008 01:16:10 -0800 (PST), The Dougster 22044
wrote:


You know, it's a bitch to get this kind of **** right the first time.
There goes about $38 worth of Delrin, but then again, here comes $38
plus worth of knowledge. If I didn't believe that, there'd be no
freakin' way I could soldier on through this kind of disappointment.
As is, I've pretty much seen it all before and am largely immune to
the upset..

You can also assuage your frustration by using it as an excuse to buy new
tools. I have to drill in soft plastics & brass enough that I bought a
set of slow twist drills, and when those didn't behave, a set of half
round drill bits. The slow twist bits have been a great help.

Or -- you can "dub" the drill bits which you use for Delrin
and/or Brass. ("Dub" means to grind a flat on the edge of the end flute
parallel to the axis of the bit so it does not dig in. Sort of the
ultimate slow twist drill, but a lot cheaper. Keep the dull bits from
other work and dub them to make what you need for brass and plastics.

Enjoy,
DoN.

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