FIELD: construction.
SUBSTANCE: fastening facility is a screw comprising a screw head, comprising the first surface, having a spline for a screwdriver, and the second surface facing in direction away from the first surface. The screw comprises a lengthy rod with a threaded first section and a non-threaded second section, and the first rupture connection between them. The proximal end of the threaded first section is connected with the second surface of the screw head, at the same time the connection is not ruptured. The first rupture connection connects, with the possibility of disconnection, the non-threaded section with the distal end of the threaded first section. The diameter of the non-threaded second section is less than the diameter of the threaded first section of the lengthy rod. The rupture connection has a diameter having such a size that the non-threaded second section may be disconnected from the threaded first section of the lengthy rod in the place of the rupture connection by hand.
EFFECT: convenience of usage.
12 cl, 11 dwg
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