The pressure from the collet pencil, put on the shank of a suitable diameter drill bit, turning it into the simplest depth gauge required for control when performing nescopeck, equal to the depth of the holes.
Recommend to read
CLAMP FROM AIR…
One arm movement — and in an unusual vise clamped firmly from two shafts, the diameter of which can reach up to 120 mm. the Design of this hot clip is rather simple, based on it — four...
ARMORED LOCUST
The creation of powerful airborne forces in Germany and the Soviet Union did not go unnoticed in the United States, and in February 1941, the Americans commenced their formation. And to...
