Wood Screw Making Machine

One of a series of machines employed in the manufacture of wood screws. A machine tool resembling a lathe, having a number of cutting tools that can be caused to act on the work successively, for making screws and other turned pieces from metal rods. Webster's Revised Unabridged Dictionary, published a form of turret lathe usually having a hollow spindle through which a bar can be fed to be machined into bolts, studs, and other screws or any small repetition work (as handles or spindles)A screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. It is one of the six classical simple machines. The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside.