FIELD: construction.
SUBSTANCE: assembly screw (100, 200) for fixation of fittings elements, in particular, hinged elements to multi-chamber sections, has a threaded element with an outer thread, length of which is more than the distance between two adjacent walls of the multi-chamber section. The assembly screw (100, 200) comprises a front part (1), when looking in screwing direction, which has a thread (3) and is made preferably from metal, and a rear part (2) of heat insulation material, for instance, plastic. The front part (1) has a tail (5), inserted into the rear part (2) and comprising at least one locking surface (7, 8). The front part (1) and the rear part (2) are connected to each other by means of geometric closure.
EFFECT: invention prevents development of unwanted cold bridges.
8 cl, 5 dwg
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