On 2016-11-30, John McCoy wrote:

Not sure I really see it as being useful on
a drill press - even for metal working, close is good
enough..........

Fer carbon steel, the avg drill speed fer a 1/2" twist bit is about
600 RPM. Avg drill speed fer a 1/16" twist drill, in the same
material, is about 3000 RPM.

Somehow, I don't think 3000 RPM is hardly "close" fer a 1/2" twist
drill.

nb