I have a 1995 4020HT, 88HS control.
Can I do this:
http://www.youtube.com/watch?v=iO81YZsUc_4]Broaching a keyway Haas VF-7 - YouTube
Some other posts in the G-code forum were a bit leery of the thrust bearing...
Also - would the M19 spindle lock for tool change be sufficient for holding the tool in place? Mind you I would be looking for very shallow DOC such as .001"-.002"