| 摘要 |
The invention relates to a fixing arrangement (10) comprising a bifunctional screw (12). The bifunctional screw (12) is screwed directly into a bore (14) which has been previously provided with or without a curable compound and which is introduced into a solid anchoring base (16). The bifunctional screw (12) has a screw head (18) with a tool application element a substantially cylindrical shaft (20) preferably a tip (22) which is tapered in a truncated cone like manner or a truncated pyramid like manner and at least two preferably three thread pitches (24 26 28) which are formed parallel to one another and which extend in a helical manner at least partly along the length of the shaft (20). The diameter of the bore (14) without the curable compound is smaller than the diameter of the bore (14) with the curable compound. In both cases however the bore (14) is such that all of the thread pitches (24 26 28) of the bifunctional screw (12) cut into the anchoring base (16). |
