| 摘要 |
<p>A fastener (10) mountable in a plasterboard wall (20) from one side of the wall and used with a screw comprises a fastener body (40) and a toggle clamp (42) pivotable between an insertion position and a toggle position. The fastener (10) has a drilling tip (50) adapted to drill a hole of sufficient diameter to accommodate the fastener (10), except for its head (44), which is arranged to coact with a driving tool. In a first embodiment, the drilling tip (50) is an integral part of the fastener body (40) and extends axially beyond the toggle clamp (42) in its insertion position. In a second embodiment, the drilling tip is an integral part of the toggle clamp and extends axially beyond the fastener body in the insertion position of the toggle clamp. In each embodiment, the fastener (10) is self-drilling. <IMAGE></p> |
