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
IN ONE BACKPACK OR THREE
Looking at this unusual backpack, shown by the team of the Leningrad regional Council of tourism, you catch yourself thinking: how had not thought of before? Indeed, in a normal...
WITHOUT THEM
Usually, to make a loop on the wire to connect to the switch or outlet that electricians use pliers. Two pins Ø 4 mm, installed in front of the handle of a screwdriver, can successfully...
