It is the lack of any drills often drill in the Chuck begins to rotate, especially when exiting from the drilled hole. And in electric drill drill bit you can still firmly hold a special knob in the manual is not easy to do. Therefore, readers will probably be interested in a little improvement which I have used for a clamping Chuck of the tool. The hall hand microdrile screw a regular nut (key 19) and secured it on the threaded pin M4, and on the cartridge with a handsaw and made two flats on turnkey 22. This upgrade allowed two wrenches to firmly secure the drill bit.
MEASURES THE BOLT…
To permit sheet metal, need metal shears and a line with the Scriber for drawing cut lines. And if you can see the curved workpiece? Use the bolt or stud of suitable length, as shown in the figure, the nut will trace the edge, and the end of the stud resting in a scissors — Read more…
Who has been swimming in the pool, know about the unpleasant effects of disinfected water on the mucous membrane of the eye: an unpleasant stinging, eyes red. Therefore, swimmers usually use special glasses. Widespread recently got glasses of the Leningrad scientific-production Association “Burevestnik”. It is molded from polymethylmethacrylate to the calyx, enclosed in a rubber sealing rim. They have a small disadvantage: they instantly fog up in the water, besides, organic glass is gradually covered with a network of scratches and cloudy.
Offer a design key for removing lids from cans nakatannyh. Device instantly reveals not only the Bank, but also keeps intact the lid and the rubber grommet. At the same time (most importantly!) they remain suitable for reuse.
