| 摘要 |
A screw lock for use in countersunk drilled holes characterised by the fact that consists of a washer-shaped part (1) and at least one anchor wing (4) extending from this and at least one locking wing (7). When screwing in the screw (3) with a part (5), the anchor wing (4) is pressed into the wall of the drill hole counterbore and, using a part (8), the lock wing (7) snaps over the top of the head of the screwed in screw (3).<IMAGE> |
