Miniature simple electric drill adopts double ball bearing 555 motor, this motor has small noise, large torque and long life, working voltage DC12-24 volts, working speed 2000-9800 rpm, working current is less than or equal to 2A, with JTO collet can be clamped range of 0.3-4MM, with high precision places, low current at the time of startup, high concentricity.
