Conical Tool History | Tapered End Mills, Cutting Tools ...
From 1944 well into the 1950’s, Ken, through much trial and error, was able to offer ten different types of end mills, soon followed by the newly developed left-hand spiral tapered end mills. For nearly a decade Ken was the owner, grinder, milling machine operator, flute polisher, and salesman. For Ken, working sixty hour weeks was a way of life.
