Thread-cutting machine based on threaded method can be divided into:
① thread-cutting machine tools. Screw lathe, thread milling machines, grinding machines, tapping machines, pipe threader, thread lathe, thread milling machines andgrinders, thread processing tool or wheel machining precision of measuring screw threads and threaded parts, thread tools, while tapping and threading machine isused specially designed taps and hand-processing batch production of nuts and bolts;
② screw thread rolling machine. Forming roll die so that the plastic deformation of the workpiece to obtain threads, thread rolling machines, rolling machines, highproduction rates, suitable for mass, mass production of standard fasteners and other threaded couplings threaded.