SHIRT FOR DRILL

SHIRT FOR DRILLRequired, when a small diameter drill bit fails to hold in the Chuck. But “sewing” it is better to “size” smaller: the nail or the drill navathe thinner copper wire — tightly, turn to turn, clockwise. Now, put the resulting spiral shank right drill: when the clamp and working the spiral to wedge and securely hold it in the Chuck.

 
Yuri ZHDANOV, Moscow

Recommend to read

  • ELECTRICS – THIS IS PROMISINGELECTRICS – THIS IS PROMISING
    In the previous issue of "Modeller-designer" followers of aeromodelling was able to gather information about competition rules and guidelines in the new are gaining wider...
  • MICROSCOPE FROM A DROP OF WATERMICROSCOPE FROM A DROP OF WATER
    Probably unlikely pharmacist Leeuwenhoek invented the microscope, not whether it is a variety of lenses. In our time, for those who want to make a microscope, may be more difficult:...