used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17 used doall geared head heavy duty floor standing drill DG17