"LeeAtWork" wrote in message
...
-I've been a locksmith for 40 years now, and I usually work out my own
solutions, but this time I could use some help figuring out a better
one.
-I need to modify several thousand "finger pins" so I can use keys
from 2 different series in the same locks. ...

Here is some discussion and comparisons of hobby-sized machine tools.
Non-intuitively the larger ones may be more precise than the smaller
(cheaper) ones.
http://littlemachineshop.com/

jsw