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
Mini all-purpose unit
For many operations performed in training workshops and technical clubs, a portable universal tool similar to a dental drill would be very convenient. However, it is almost impossible to...
GREENHOUSES: FROM SMALL TO LARGE
In our difficult time many people previously not even tempted to work on the land, got the land and grow vegetables-berries, which become a significant food primacom to the table in...