Precise hole alignment: The triple balanced articulated arm is made entirely of aluminum to ensure fast and precise hole alignment. The rotation speed varies depending on the thread diameters and the maximum counterclockwise speed to achieve fast tool output. Intelligent thread trimming arm: HD human-machine interface, adjustable speed. Imported servo motor, strong output force. Improved reducer with gears. Intelligent control , stable and reliable program. Safe torque chuck, overload protection device. Automatic oil blowing function: automatic oil spraying to assist blowing, powerful imported servo motor, tapping oil to improve lubrication, powerful air nozzle cleaning. Applicable materials: aluminum, copper, steel, cast iron, Q235, S136, die steel, 718H, 40Cr, stainless steel and other metal materials.