Hole boring and milling combined machining tool shank

The utility model relates to a hole boring and milling combined processing machine machining tool shank, which comprises a tool shank body, the tool shank body comprises a shank part, a connecting part and a mounting part, the mounting part is provided with an adjusting seat, a set screw I, a set screw II, a set screw III and an adjusting screw, the middle part of the mounting part is provided with a mounting hole I, and the middle part of the mounting part is provided with a mounting hole II. The axis of the first mounting hole is perpendicular to the axis of the mounting part, the second set screw is arranged on one side of the first mounting hole, the adjusting seat is connected with the mounting part through the first set screw, a second mounting hole is formed in the center of the bottom of the mounting part, the second mounting hole and the mounting part are coaxial, and the second set screw is arranged on the other side of the second mounting hole. The third set screw is arranged on one side of the sec