| 摘要 |
The present invention relates to a screw (10) comprising a shaft (12), which has a threaded shaft section (13) and a non-threaded shaft section (14), and a head (15), which has a substantially planar contact face (16) to be applied against a component (31), wherein the average roughness value of a surface of the screw (10) has a value of a maximum of 0.04 μι&eegr;. The present invention further relates to a connecting system (40) comprising such a screw (10) and a method for surface treatment suitable for such a screw (10). |
