I think many who have to work with small metal objects. will be useful to my “magnetic” finger, or rather — rubber fingerstall to which is glued a small square of a permanent magnet.
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SCREW TIGHTLY
In cases when you want to prevent turning of the screw, screwed into a Board or plywood, I use a very simple way. Of stiff wire or a nail, whose diameter corresponds to the width of the...
THE KNURLING MAKES THE FILE…
In the manufacture of models or devices containing frequently unscrews detail, there is often a need to do the knurling (knurled) outer surfaces of the nuts or screw heads. With this...
