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
LIKE CLOCKWORK
Known tip to RUB the screw with soap, to facilitate its mounting in the wooden piece. If it is plastic, for example, sealing the dowel into the hole — then the screw for the same...
TRAILER FOR “JUPITER”
I have been engaged in creating various devices to facilitate work on the homestead plot for many years. However, I have not yet presented my developments to the readers' judgment; this is...
