A screw head bush for a screw, wherein the screw head bush has an external portion and an internal portion following the external portion, wherein the external portion has a larger diameter than the internal portion and the external portion is configured essentially as a truncated cone tapering towards the internal portion and the internal portion is configured as engagement geometry for the rotationally fixed accommodation of a screw head drive.

Fasteners, drivers, punches, fastener systems, and methods of making fasteners, drivers, punches, and fastener systems are disclosed herein. The fasteners, drivers, punches, and fastener systems include, in one example, stabilizing ribs and corresponding recesses.

A screw head bush for a screw, wherein the screw head bush has an external portion and an internal portion following the external portion, wherein the external portion has a larger diameter than the internal portion and the external portion is configured essentially as a truncated cone tapering towards the internal portion and the internal portion is configured as engagement geometry for the rotationally fixed accommodation of a screw head drive.

Fasteners, drivers, punches, fastener systems, and methods of making fasteners, drivers, punches, and fastener systems are disclosed herein. The fasteners, drivers, punches, and fastener systems include, in one example, stabilizing ribs and corresponding recesses.