| 摘要 |
<p>A fastening element (1) with a large-area plain washer (5) and with a tubular extension (6) adjacent thereto for passing through and guiding a screw (4). The plain washer (5) and the tubular extension (6) form separate prefabricated parts. The tubular extension (6) has at its end facing the plain washer (5) a shoulder (7) that engages a corresponding recess (20) in the area of a through-hole in the plain washer (5). The section (8) of the tubular extension (6) adjacent to the shoulder (7) can be introduced through the opening in the plain washer (5). The screw (4) is introduced in the extension (6) either before or after the extension (6) has been introduced in the plain washer (5).</p> |
