It is not easy to drill pipe, clamped it in a vise and nukernel. The task will be made easier if you resort to using a small block of wood. It is administered in the Vice with the tube and drill through it. At the moment when the drill bit touches the pipe, the bar will swing to assume the role of conductor, directing the tool, which is especially important if the hole should be through.
Recommend to read
SCISSORS-A COMPASS
The shape and design of the shear itself suggests to use them as a compass or gregoratos. If they are to produce the picture shows the clip, then use the scissors for these purposes...
SCREW FROM THE NAIL
If it took a long screw thread M2—M6, and they are not (by the way, is not easy to find and sold out), it is easy to produce such a nail of suitable diameter, cut into the rod thread and...