A great tool for making holes in concrete, ceramics, brick is obtained from a carbide cutting plate lathe cutter, driven on the grinding wheel to the shape of a disk with a tapered cutting edge. Mandrel for mounting in the Chuck is machined from steel rod Ø 12 mm. Disc is mounted on the axial groove with the screw M5. V. KNYAZEV, Leningrad
Recommend to read
SAILBOAT… ON THE TRUNK OF A CAR
Still quite recently it seemed that forever passed away, imbued with romanticism, but proved impractical in our rationalistic age, the legendary tall ships of the past centuries — a...
ESSENTIAL “EIGHT”
Siberian airfields early 70-ies of the last century — the time of intensive development of the Tyumen oil fields — is hard to imagine without helicopters, created in OKB M. L. Mil. In...
