On Friday, 16 August 2013 18:56:09 UTC+2, The Other Mike wrote:

What you are trying to do requires machine tools not a diestock and a die. At

the very least a lathe, preferably a milling machine as well to cut the slots

for the screw head.

A milling machine to cut screw heads? Seems like overkill!
Broaching attachments that can cut - for example - hexagonal allen key holes in screw heads are an altogether simpler and cheaper solution.