[modeleng] Re: Piloted "D" Bits?

Many thanks for all the kind replies.  I just hope that my Drill Press does not 
turn up too many rpm's at app. 350 rpms on account of the heat produced.

Al Messer

--- On Mon, 11/2/09, Adrian Nash <a.c.nash@xxxxxxxxxxxxxxx> wrote:

> From: Adrian Nash <a.c.nash@xxxxxxxxxxxxxxx>
> Subject: [modeleng] Re: Piloted "D" Bits?
> To: modeleng@xxxxxxxxxxxxx
> Date: Monday, November 2, 2009, 6:08 PM
> 
> >I need to spotface/counterbore a seat for some bolts
> that cannot be done by 
> >commercial tools as they are too short to reach. 
> I have made and used "D" 
> >Bits before, but I have never heard of a piloted
> one.  Have any of you 
> >gentlemen ever made such a tool?  Any advice
> greatly appreciated.  TIA
> >
> > Al Messer
> >
> >
> >
> > MODEL ENGINEERING DISCUSSION LIST.
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