[AT] Drill bits for drilling our old tractor steel and iron.

[Stephen Offiler]

What experiment?

On Sat, Oct 26, 2019 at 8:57 AM James Peck <jamesgpeck at hotmail.com> wrote:

> How did your experiment using an EDM sold only to burn holes in hard
> materials work?
>
>
>
> [Stephen Offiler] Excellent point regarding the masonry bits, Spencer.  I
> had nearly forgotten, but we actually included a masonry bit in the
> Vice-Grip experiment I mentioned earlier.  We used it straight from the
> package.  It didn't look real sharp, but we also made no attempt to
> resharpen as that defeats our purpose.  It made a few holes, requiring a
> lot of downforce and making plenty of heat in the process.
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