
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
LET THE WIND WORK
Wind has always been considered a symbol of inconstancy, and attempts to convert its energy into electrical energy most often led to results that were not very encouraging. Indeed,...
AND PAINT NOT WORSE
Tile for facing of walls can be laid not only on cement mortar or special mastics. Experience shows that quite satisfactory results are obtained by the use of oil paint with the...