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
THE TAMING OF THE TOOTHED
Hacksaw is a popular work tool, but in storage or transportation inconvenient "toothy" part of the saw is a potential danger of hand injuries. But the inconvenience of it disposable:...
THE ELECTRIC CAR OF FORMULA D
No matter how much we have seen this picture every time it will amaze and fascinate with their uniqueness: easy flick of a switch — and just as silently as it stood, the car started and...
