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
SIMULATED PANELING
The fabric covering of aircraft during the second world war, good to simulate on the models-copies in the following way. Not yet primed with white enamel model according to the drawing...
TRANSFORMERLESS UNINTERRUPTIBLE POWER SUPPLIES (UPS)
Portable electronic devices with low-voltage power supply are often designed for batteries and accumulators. Among such devices, the most popular are electromechanical and digital clocks,...
