We are offering cutting machine, 1. With the function of quiet, stable, power saving, high speed with low torque, low speed with high torque, and have the protection of over voltage, over current, over load, etc. 2. Touch layer design, automatical or manual options, easy operation. With the high efficiency, saving time and energy, accurate positioning, fast cutting. 3. Tap shall never break for tapping trough-hole or blind-hole. model mr-16for tap m3-m16power 220vvoltage 600wspeed 3000rpmweight 23kg.