On Wed, 08 Jul 2015 19:34:24 -0500, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote:

" fired this volley in
:

Not all that large, but big enough that I would drill a pilot hole if
using a regular drill.

I might 'pip' the hole to make sure it started without any vibrations, but
pilot? (I assume you mean full-depth) With THAT small of a bit?

If my machines can't hold center better than that, I'd better quit or
rebuild their spindles! G

Lloyd

Even the best machines will still let a bit wander and walk for a
varity of reasons not related to the machine itself.

Gunner