| 摘要 |
<p>The present invention relates to a screw nail (1) for connecting plane components in dry construction by means of an automatic nailer, in particular for fixing surface elements onto a metallic substructure. The screw nail has a shaft (2) with a head (3), and on the other end a hole formation region (5) extending to a point (4). The shaft (2) is provided with a knurling (6), having a first knurling section (6a), in a region of the shaft (2) adjacent to the hole formation region (5) in which the knurling (6) extends substantially parallel to a central axis of the shaft (2), and at least one second knurling section (6b) adjacent to the latter, in which an angle of elevation of the knurling (6) formed between the central axis of the shaft (2) and the knurling (6) increasing constantly towards the head (3).</p> |
