Re:DRILL ROD FOR LINEAR WAYS

>
> There are three common varieties. We call them something hardening
> to represent what medium is used to harden them.
>
> one is water, one is oil and the other is air. Each has it's own
> properties. All move a little when heated so the soft stuff you buy
> is nice for a lot of stuff. but it is too soft for prolonged use with
> ball slides. Then again, it is cheap enough to replace a couple times.
>
> Dave

Precision turned, ground and polished (TGP) 303 stainless is
commonly available also, and in legnths up to 12'.


Scott.