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
THE WALL-SHELF
Inhabiting your country house — be it a small garden or a well-built cottage — many trucks bringing in the furniture that has served its purpose in a city apartment. And most of all from...
“HYDRO-N” FROM SWEDEN
The popularity of not so long ago, the class of boat Hydro n today remains very high. In some Western countries, interest in new high-speed gliders eclipsed hobby other RC models. It's...