DRILL FOR ANY WALL

DRILL BIT FOR ANY WALLA 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

  • “INVITE ME…”“INVITE ME…”
    To call to his subordinate, the modern Manager doesn't need to pick up the phone, and even more — to get out of his office. Just press the speakerphone button intercom "Director —...
  • INSTEAD OF A HAMMER — CLAMPINSTEAD OF A HAMMER — CLAMP
    Often there is a situation when you need to hammer a nail in a place where the hammer will not pull back, shelf, drawer, Cabinet. This sometimes resort to "detour" maneuver: - nail, he...