[sdiy] What is the name of this tool?

[Andre Majorel]

On 2006-11-21 17:17 -0500, John Mahoney wrote:
> At 10:29 AM 11/21/2006, Louis van Dompselaar wrote:
> >I was wondering: can stepped drills actually drill the initial
> >hole or do you need to pre-drill those with something else?
> >As I see some of them have a flat tip...
> 
> A flat tip suggests to me -- strongly -- that a pilot hole is required.
> 
> I was taught to use a centerpunch to make a dent when drilling into 
> metal. But, I can see where that might not be good if you are using a 
> drill press and the piece is clamped down, because you don't want the 
> bit to bend.

On my setup, the vise moves freely. I always use a center punch
and first bring the drill down until the bit almost touches the
piece so that I can align the two.

It's a vise like this one :

  http://www.sell-it-easy.de/proxxon/images/primus1.jpg

> (Is there a machinist, here?)

Not me. :-)

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>
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