Easy installation design: The rotor terminal blocks adopt standardized interfaces and are equipped with clear installation labels, eliminating the need for professional maintenance tools and reducing after-sales installation costs. Reinforced shaft structure: The shaft is made of high-strength carbon steel and has undergone quenching treatment, featuring strong impact resistance and wear resistance. It is less likely to bend or break, making it suitable for high-frequency impact scenarios such as electric drills and Angle grinders. High-efficiency operation: The optimized electromagnetic design reduces energy loss, ensuring stable power output when the rotor rotates at high speed, enhancing the cutting efficiency and drilling speed of the tool, and easily handling various materials such as metal and wood. Energy-saving and high-efficiency features: The optimized magnetic circuit design reduces hysteresis loss, saves energy compared to ordinary rotors, can extend the single usage time of power tools, and improve operation efficiency. Key words: Electric tools, rotor armature, rotor anchor, rotor Angle grinder, rotor drive shaft, electric drill, rotor bearing, rotor cutting machine, rotor polishing machine, rotor electric hammer, motor, electric tool accessor