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
MICROSCOPE FROM A WEBCAM
Talk about making microscope with computer connection with an increase in 300-500 times. This increase is enough for examining the cellular structure of plants, observing the behavior...
ARTILLERY TANK FOR THE RED ARMY
In July 1929 the revolutionary military Council of the USSR adopted the "System of tank-, tractor-, car-, breeveertien the red army" laid for the coming years program to create armored...