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
JACK WILL HELP THE CARPENTER
Flooring will be much neater and better if, instead of the traditional wedges to use an ordinary car Jack. Under the support leg of the Jack placed bars of appropriate dimensions. ...
FLYING FORTRESS TUPOLEV
During the Second world war, 15 oil refineries of Romania gave Germany more than 7% of petroleum products supplied dependent countries and satellites. The aircraft long-range and...
