The series electric flex arm tapping machine is suitable to tap holes from M12-M36 and adequate for all mechanical industries. Function: 1. The electric tapping machine is accurate, stabile and noiseless. 2. The electric tapping machine has the advantage of high efficiency, power saving, time saving, energy saving. 3. The electric tapping machine has the superiority of accurate repetitive positioning, quick cutting speed, and high production efficiency. 4. The electric tapping machine supports inching and continuous buttons. Inching button is chose in blind hole while continuous button is chose in through hole. 5. The electric tapping machine adopts torsion chuck to protect screw tap. 6. The electric tapping machine adopts high performance actuating motor with overvoltage, overcurrent, and overload protection function. 7. The electric tapping machine adopts different decelerating device according to various tapping range. (M3-M42) 8. Tap heavy workpiece without moving, for its large work area. (1150, 1500, 1900cm) 9. Make use of magnetic blocks adsorption to tap from different angles. 10. The electric tapping machine adopts various degrees setting to tap from vertical, horizontal and all directions. Specification: Voltage: 220V Power: 1000W Tapping ability: M12-M36 Speed: 65r/min Torque: 400N.M Working radius: 1150, 1500, 1900mm (optional) Weight: 25, 32, 36kg Tapping way: vertical, various degree (optional) Main parts: Electro-motor (including AC serve motor, precision planetary decelerating device, and quick change coupler) Mount base Balancing lever Control system Alternative torsion chuck: M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 Optional accessory: Worktable (80*50*70cm) Magnetic block (1000KG). Plywood case (standard export packing).