| 摘要 |
The invention relates to a screw element (1) having a shaft (2), having a first external thread (4), and having a second external thread (6). According to the invention, the shaft (2) has multiple parts and comprises a first shaft part (3) and a second shaft part (5) fixed to each other, and the first external thread (4) is formed on the first shaft part (3) and the second external thread (6) is formed on the second shaft part (5), and the first external thread (4) is positioned relative to the second external thread (6) such that a braking moment results when the two external threads (4, 6) are threaded into an internal thread element (16). |
