Machine handwheels are often used to manually drive presses and adjust machinery. They are also fitted to be used for valve control, lathes, and more.A simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines) control consisting of a wheel whose rim serves as the handle by which a part is operated.t is used for Used for mechanical parts & fabrication services. It comes with Zinc plated steel insert material.