CONNECTING ELEMENT FOR TWO MACHINE COMPONENTS OR STRUCTURAL MEMBERS

摘要

A connecting element for two machinery components or constructional components is provided with a threaded portion 4 used for fastening and an anti-fatigue portion 3 arranged axially displaced to the threaded portion 4 and consisting of several elevations 5 and grooves6, with the minor diameter d3R of the grooves 6 of the anti-fatigue portion 3 being made smaller than the minor diameter d3 of the threaded portion 4. The proportion is between 80 and 100%. The pitch diameter d2R of the anit-fatigue portion 3 consisting of the elevations 5 and the grooves 6 are larger than or the same as the pitch diameter d2 of the threaded portion 4.