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
- DELICATE HAMMER
To straighten dents on the tin, usually use a rubber or plastic mallet, because metal drummer would leave sunken footprints in the soft material. If mallet is not at hand — you can use... - TIMER “JUNIOR”
Floating timer... One of the most complex and controversial requirements to the technology requirements of the class of models of free flight. A complicated structure, powerful power...