| 主权项 |
1. A screw with a screw head which has a drive, which drive comprises cams that are formed by recesses introduced around the cams, which cams are used to transmit torque, in which, moreover, on the cam end facing the screw head, a cam has a cam head surface which is inclined with respect to a plane that extends perpendicular to the screw axis characterized in that the radial extension of the cams is arranged and designed such that the cams centre a tool introduced into the screw drive, and the cam head surface has a first surface and a second surface, each of which is inclined in its respective rotational direction and which intersect each other in an intersection line. |
