The utility model provides a digit distribution unit 2M terminal dismouting device, it mainly comprises hand -held type power take off subtotal 2M terminal interlock part, hand -held type power take off part including the power take off axis body that has handheld stalk portion, handheld stalk portion built -in have rechargeable lithium -ion battery, be equipped with switch outward and turn to change over switch, handheld stalk portion and output shaft body coupling department be provided with motor and power transmission mechanism, and pass through power transmission mechanism is connected at the internal power output shaft of power output shaft with the arrangement, the preceding tip of the power output shaft body settle and have the 2M terminal interlock part that constitutes by three straight burr roller bearing that is connected, main with power output shaft, three straight burr roller bearing include two transmission roller bearings and a driven roller bearing, but and the space level that forms between the three straight burr roller bearing this 2M terminal of interlock cut straightly in the 2M terminal, the power output shaft body on still be provided with the adjust pressure switch, it has simple structure, and is small, uses convenient operation, and fail safe nature is good, can improve characteristics such as dismouting work efficiency.