Self-tapping screw and method for fixing a plate 18 has a thin sheet of steel.

摘要

The invention relates to a self-tapping screw which comprises a threaded portion parallel (13) provided with a head in the form of a trumpet (12), a threaded part of the conical (14), a threaded portion parallel, of smaller diameter (15) which is provided with a conical point (16) and which is connected to the part (13) by means of the part (14), and a thread crest (17) which extends from the part (13) to the part (15) and which has a reduced height at the level of this latter. The present invention also relates to a method for fixing a plaster board (2) to a thin steel sheet (1) with the aid of a screw of this type.