Category for specialized machine tools that precisely cut gear teeth. Handles machines specialized in manufacturing spur gears, helical gears, bevel gears, and worm gears, including hobbing machines, gear shapers, bevel gear cutting machines, and gear grinding machines. Professional equipment used in manufacturing sites requiring high-precision gear processing such as automotive parts, reducers, and machine tool gears. Supports various gear shapes through combination with gear cutting tools, from NC-controlled automated models to general-purpose machines.