> Which Minicraft thing do you mean? The
> Proxxon 28510 Micromot Drill 50/E ? It is a 40W machine. I'd
> prefer the 100W IB/E (even pricier). I don't understand why these
> tools come with six different sized collets. I guess a collet is
> nothing like a drill chuck. Maybe somebody can explain it to me. I
> guess these rotary tools are all based on the same motor controller.
> They all say 5000 to 20000 rpm. Maybe the same motor too.
Okay, I have cured my ignorance. After looking at this website
http://www.efunda.com/processes/machining/mill_cutters.cfm I now
know what a collet is. After looking at this website, it dawned on
me that this machine can be used for milling as well as drilling.
Alan