| 摘要 |
The fastener (1), having a head (2), shank (3) and tip (4), is provided with a thread (5) in the rearward end region of the shank (3). Onto the thread (5), at a distance (A) from the head (2), there is screwed a guide washer (10) which is designed in the manner of a dome and has a wall region (13) extending in a conical shape from the base (11) in the insertion direction. The guide washer (10) can be deformed, thus braking the insertion process. …<IMAGE>… |
