DRILL MACHINE

A drill machine having a novel structure is provided to be easily extended in a longitudinal direction and to prevent scattering of chips and dusts to surroundings when drilling a hole on an object. According to the present invention, the drill machine is provided with an adapter (A) coupled to a chuck (3), allowing a convenient use when drilling a hole (6) on a high ceiling (5). According to the present invention, the drill machine comprises: a rotary shaft (10) extended in a longitudinal direction, and provided with an auxiliary chuck (11) detachably connecting to a drill bit (4) on a front end, and connecting to the chuck (3) on a rear end; a first tubular body (20) provided on an outer side of the rotary shaft (10); a second tubular body (30) provided on the outer side of the rotary shaft (10), and with a rear end slidably connected to a front end of the first tubular body (20) in a longitudinal direction; a collecting unit (40) extended to a front direction to surround a circumferential ...