Combines single horizontal and 2 or 3 vertical boring units for efficiency in drilling operations.

One horizontal boring unit with 21 spindles and height adjustment.

Two kinds of vertical boring heads are available; (A)Single head boring unit with 21 spindles & motor ; (B)Double head boring unit consists of 2×10-spindles and split type drill chuck turnable 90°

Double head unit the transverse displacement of the motors and the rotation of the split head are pneumatically locked by means of a selector which is situated in front of the boring unit.