| 摘要 |
The anchor bolt (1) has a shaft (2) with a longitudinal slot (3). The shaft or a part of the shaft is formed in an oval-shaped manner. The anchor bolt has a predetermined breaking point (4), which is formed below a shaft head (6). A flat surface (7) is formed on the side of the head opposite to the shaft. The shaft or a part of the shaft has a roughened surface. |
