| 摘要 |
An expanding screw for an expandable dowel sleeve (31) has a shaft (12) having a rotation-transmitting element (15) provided at its first end (13), at least one first screw thread (19) extending from its second end (17), and a thread section (21) provided in a region of the at least one first thread (19), spaced from the second end (17), and having at least one further screw thread (23). |
