Thread rolling machine is a multi-functional cold rolling forming machine tool. The thread rolling machine can roll the thread , straight grain and twill on the workpiece under the cold state within the rolling pressure range; The thread rolling machine can also roll straight teeth, helical teeth and helical spline gears. thread rolling machine is mainly used for all kinds of external thread, including the common thread, trapezoidal thread and modulus thread. It also can do the rolling process, forming, slidabrading, knurling etc.