| 摘要 |
A plug for fixing to hollow and to solid building materials has a plug body having a plurality of longitudinally extending expansible limbs that are expansible by screwing in of an expansion screw, the expansible limbs having a rear end and a leading end, a sleeve-shaped plug end which joins the expansible limbs with one another at the rear end and is formed so that the expansion screw is insertable through the plug end, a sleeve-shaped plug tip which joins the expansible sleeves with one another at the leading end and which is formed so that the expansion screw is screwable into the plug tip, and a stretchable material which joins the expansible limbs with one another circumferentially and which is pierced by several helically arranged slots.
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