Two-part screw

摘要

The screw (100) has a screw end (122) arranged opposite to a screw head (111). An external screw thread (121) screws the screw into a material, where the screw comprises two parts (110, 120) that are connected with each other via a detachable connection. The screw head is arranged on one of the parts that is different from the part having the external screw thread and the screw end. The latter part comprises a bore hole (136) that fully passes through the former part. A tensioning unit is arranged in the bore hole to tension the external screw thread when the screw is used. Independent claims are also included for the following: (1) a tool for completely removing a screw (2) a method for removing a screw.