“MUSTACHE” SCREWDRIVER

The main advantage of the Phillips screwdriver slotted in front of the centering tool and fastener, in which virtually eliminates the slipping of the sting with head even with a small misalignment of the tool. Almost the same effect can be achieved slotted screwdriver if the to change its tip as shown in the figure below: to whittle away the middle part, leaving the edges of the mustache. However, the screws and the countersunk screws I have yet dovorachivat standard screwdriver.

I. GLUKHOV, Saransk, Mordovia

Recommend to read

  • A CRANE WORKS ON THE PROGRAMA CRANE WORKS ON THE PROGRAM
    It is made by a group of engineering students laboratory in the Sverdlovsk House of pioneers named after Yuri Gagarin. Appearance of the crane shown in figure 1. On the frame beam crane...
  • Where to find what is nowhere?Where to find what is nowhere?
    A number of online stores of different types is growing by leaps and bounds. And if to buy a laptop or gaming console at best price now is not too difficult, what to do when you have not...