High-strength lightweight screw with double contour attack as well as forming process and forming tool for manufacturing and actuating tool for operating such a screw

摘要

High-strength screw (1) having a head (2) with a tool engagement outer contour (7) and a tool engagement inner contour (8), wherein the tool engagement inner contour (8) belongs to the geometry type polygonal, polygonal or polygonal, wherein in the tool engagement Inner contour (8) pocket-shaped depressions (13) are arranged.