Abstract: A screw connection element having an outer threaded portion and a sealing means (19) which is disposed in the threads thereof is described. According to the invention, the screw connection element is provided with a protective covering (18) which surrounds the outer threaded portion, is produced from a flexible material and is intended for retaining the sealing means (19) in the threads. In addition, the invention relates to the protective covering (18) itself (FIG. 7).

Abstract: A screw connection element has an outer threaded portion with a plurality of threads in which a sealing element is disposed and a front end for being screwed with the front end first into a connection element to be joined and having a corresponding inner thread portion, a protective sheath-like covering surrounding the outer threaded portion for retaining the sealing element in the threads and composed of a flexible material; and a thread situated at a- the front end threaded portion and free of the sealing means, wherein the protective covering is formed at this position such that it enters into the thread free of the sealing means and such that a form-fitting thread connection is produced between the front end and the protective covering in an axial direction of the outer threaded portion.

Abstract: A screw connection element having an outer threaded portion and a sealing means (19) which is disposed in the threads thereof is described. According to the invention, the screw connection element is provided with a protective covering (18) which surrounds the outer threaded portion, is produced from a flexible material and is intended for retaining the sealing means (19) in the threads. In addition, the invention relates to the protective covering (18) itself (FIG. 7).