Trapezoidal usually refers to metric acme type screws.
A leadscrew can be any type of screw, but usually refers to higher precision screws specifically made for providing motion.
__________________
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |