In the manufacture of structures made of pipes of the same diameter to neverlet holes in them easily and quickly will help here’s a simple jig. It consists of a metal plate and wooden block in advance which is made a longitudinal cut. In the bar there are several vertical through-holes for drill bits of different diameters. Thanks to the conductor drill bit will not slip off from the pipe, and therefore do not need to do this pre-ncarnate the place of drilling.
Recommend to read
RIGHT IN THE MIDDLE
If you want to cut the pipe lengthwise into halves, it is necessary to outline its diametrical plane. It's easy to do and without any measuring devices by using a sheet of paper....
AEROBATIC “EXTRA”
New built training model aerobatic aircraft surprised everyone, ourselves including. So successful was the combination of spectacular appearance (which is very highly valued by only...
