On a lathe, a power screw used to feed the tool when chasing threads. (B-11 Definitions Manual)
a long threaded screw connected to a stepper motor that provides X, Y, or Z-axis motions
a mechanical device consisting of a threaded shaft and moving carrier, such that the carrier moves in equidistant intervals along the stripe for each complete rotation of the shaft
Plastics and bronze nuts running on a rolled spindle/screw with small and hi-helix pitch
A mechanism in a lathe that allows the tool post to move from side to side at a precise rate.