| 摘要 |
The invention relates to a method and a device for producing and checking screwed connections that can be preferably used in assembly processes in industrial production, in workshop operations or for monitoring purposes in plant engineering demanding strict safety requirements. The invention also relates to special screws for implementing the inventive method. The invention is characterized by a special screw (1) having an additional thread (5) on the screw head (2), which prestresses the special screw (1) and retains the prestress force during screwing. |
