Re: [CAD_CAM_EDM_DRO] Re: Leadscrews, PCB router experiment

JanRwl@... wrote:

> In a message dated 24-Jul-01 23:52:28 Central Daylight Time,
> elson@... writes:
>
> > Unfortunately, the drill bits in question are quite small, and the shanks are
> > often HSS or similar material, so the tiny drill bit's weight is lost in all
> > that. >>
>
> I have NEVER seen a PCB drill-bit with a steel shank, and only a carbide
> drill-end!

This may be from the "old days". I have a bunch of them that are like
this. I have no idea how they make them this way. But, it is pretty clear
that I have some like this. The shank will even rust if you leave them
out.

Jon