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March 2000

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Mon, 6 Mar 2000 12:45:41 -0800
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Sam,
A two step drilling reduces drill wander. It is also called 'Pilot Hole' or
'Peck' drilling meyhod where you have just a peck by a smaller drill then
followed by the required drill size. The idea is to create a punch mark for
drill to start. In peck drill you may use the same drill, but drill the hole
with increasing feed. First step is just a peck on the surface to be
drilled, back and then advance again. It will help reduce drill wander.
----- Original Message -----
From: sam mccorkel <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 06, 2000 10:27 AM
Subject: [TN] Drill wander


> Hi Technetters,
>
> Is there one particular "style" of drill bit that reduces drill wander
more
> so than others? Interested in diameters that are < .015"
>
> I'd appreciate any feedback. Thank you!
>
> Sam McCorkel
> ES&D
>
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