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.
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NOTRICED IS INTERESTING
The article "He invented nutrit" (1975, No. 5) was very interested in me. I came up with a small improvement schemes nutrida. If the plane of rotation of gears attached to a horizontal...
SCREW PLUS BAR…
...make a surface gauge. In the block of hard wood drilled a hole in which is screwed into the screw. Use a screwdriver to set the distance required for the application of risks. ...
