THE CONDUCTOR-TELESCOPE

THE CONDUCTOR-TELESCOPEOf tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal.
 
V. MARTINTON, Novocheboksarsk

Recommend to read

  • COMES TO THE AID OF “LETRAN”COMES TO THE AID OF “LETRAN”
    A simple actuator that turns ordinary wheelchairs into self-propelled designed for small business "Electric" engineer A. COHOM. The device is simple enough; to make it even in the...
  • CHEST FOR “HUNTER”CHEST FOR “HUNTER”
    It has been over a year since then, as reconstructed roof rack for UAZ Valery PAL, as he again asked. This time he took the trunk in the trunk, but simply to say, a large metal box for...