On Apr 9, 6:18*pm, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote:
= Alternate suggestions for methods of drilling itty bitty holes
-=-

when I was working with the guys at GE in Daytona, they drilled fiberglas
PCB material at 120Krpm. *Of course, they were drilling a 1/2" stack at 10
"hits" per second.... G *(all .015 to .032 holes at that speed; carbide,
only)

LLoyd

The Harbor Freight tool only turns up to 56,000 rpm.

Dan