
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
DISAPPEARING STAIRS
Now, not only in large suburban homes or cottages tend to use pokrysheva space as the attic, even in small garden houses are cut in the ceiling hatch and equip the bedroom there (see a...
“ELECTROMURES”
The name given to the original device, designed to replace manual labor when laying trunk cables with a diameter up to 60 mm. With their heavy lashes, as if boatmen twine could handle,...