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 SCREEN NOT ONLY
The heating battery is a necessary part of every apartment. Cast iron "bunching" of the old production and even modern variations are far from aesthetic perfection. To eliminate this...
KHARKIV MOTORCYCLES
By the early 1930s, one of the centers of the nascent Soviet motorcycle could be the city of Kharkov. Here in the capital of Soviet Ukraine, on the territory of the former sugar factory...
