
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
SECRETS FLAPPING FLIGHT
...Model takes off from any position. It was enough to tighten the rubber motor, and two-winged "bird", vigorously rebounding wings, began the rapid acceleration into the sky. She looked...
HEAVY WILL BE EASIER
Universal hook for easy carrying of bulky household items is easy to do from suitable tubing such as a roll-away bed. Especially for heavy things need an assistant and a second hook....