The design and structure of the thread rolling machine are reasonable and firm, with large main power, low noise, low failure rate, convenient adjustment and no random buckle. The thread processing has high precision and a wide range of applications. It can roll various external threads, including ordinary threads, trapezoidal threads and modular threads. It can also roll forming, rolling, and rolling on the workpiece. The product is driven by a worm gear, a worm, and an automatic lubrication system, which is easy to operate, and is equipped with manual control, pedal control, semi-automatic control and automatic control. With high production efficiency and low labor intensity, it can process various types of ordinary bolts and various special-shaped bolts with corresponding thread rolling wheels.