Re: [CAD_CAM_EDM_DRO] re:digitizers

ballendo@... wrote:

> Elliot wrote:
> >I wonder what the hardest metalic conductive material is (that
> >doesn't have problems with oxidation)?
>
> Elliot,
>
> Just guessing, Platinum? Indium?

Hard Chrome is pretty good. 316 stainless is quite good.
Pure Tungsten is quite hard, as well.

I don't want to know what 3 1/4" Platinum balls would cost!

Jon