Omnidirectional auxiliary handle mounting hole of hand-held engineering driller

The utility model discloses an omnidirectional auxiliary handle mounting hole of a hand-held engineering driller. The lower part of a variable-speed shell (3) of the hand-held engineering driller is additionally provided with two symmetrical auxiliary handle mounting holes (5) and (6) which are of crossed omnidirectional auxiliary handle mounting holes together with the prior auxiliary handle mounting holes (2) and (4). When in construction, a main handle is held and a switch is operated by one hand, and the (2), (4), (5) and (6) are held at proper positions by the other hand; the auxiliary handle arranged in one hole is convenient to be operated. The utility model increases auxiliary handle mounting holes at two directions, and the four mounting holes are connected with the auxiliary handle through screw threads so as to bring convenience to mounting and dismounting.