
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
COUNTRY SPOTLIGHT
Good country spotlight for night lighting, scaring the unwelcome four-legged and even two-legged "guests" can be made from old car lights: its mirror reflector focuses well and this...
NEW SKILLS DRILLS
Nowadays, the drill is not uncommon. Drill a hole in the concrete wall or polished metal part having a cartridge holder with a felt circle — in such cases it is indispensable. Wooden...