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
TO NOT UNSCREW THE SCREW
To nut the connections didn't loosen during operation of the device, usually put the second (jam nut) or enclose the washer Grover. If such is not at hand or you need to fix the little...
TABLE-DARKROOM
For a folding darkroom there is a place even in a small apartment. Once assembled, it is a bedside table dimensions mm. 535X420X760 In a way gives you more usable space, enough to...