Hold the electric drill, turn to the right direction, turn the drill down, up, backward, turn left
You take the screws off the handle, and that's where the wires are out of contact
Or simply change the pipe directly and change it to consider the drill bit. Iron pipe. First use pliers + wrench, straight direction, see if you can pull it out. Side edge, pull out, you can spray a small amount of WD-40 and other lubricants at the interface. If the above methods are useless. The ultimate way, at the end of the drill exposed, welding a nut, fixed after, with a stick and other directly pry out.
Sure to open the wall, the drill to take out, but also to open the wall repair pipe, water pipe is PVC material, directly with pliers clamping, pull out, and then change the whole section of the water pipe.
