Sometimes the drills, especially in the already served, without distinction, the marking indicating the diameter. It would seem that to define it is only possible with a micrometer. But here’s a simple and fairly accurate method of measurement with… grip. Drill clamped in their jaws, and remaining between them a gap corresponding to the diameter of the already available ordinary ruler with millimeter divisions.
Recommend to read
CORNER, VENEER
Anyone who had to do the corner ASKO wooden sticks for various kinds of frames, knows what it is painstaking work that requires carpentry skills, patience, special tools and devices to...
ROCKET “07”
Rocket "07" — the first rocket was working 2nd brigade Gird (Group of study of reactive motion), led by K. M. Tikhonravov. To work in Gird M. K. Tikhonravov has gained extensive...
