[sdiy] What is the name of this tool?

[Scott Gravenhorst]

lief codianni <lief138 at yahoo.com> wrote:
>Hi Everyone, I read somewhere about a special drill
>bit used for a drill press that people use when making
>their panels that is tapered with notches. The point
>is to make a gradually bigger whole without having to
>keep replacing the bit. I know someone here mentioned
>it recently. I cant seem to find it. Someone must know
>what I'm talking about even if I do not :)
>Thanks in advance...

It's called a "Center drill".  See http://en.wikipedia.org/wiki/Drill_bit and look down the page
some, you'll see images of them.



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