| 摘要 |
A fastener including a threaded body to be connected to a coacting part, and a locking key received at least partially within a groove formed in the body, with the key being adapted to be driven generally axially relative to the body to a locking position, and with the groove being shaped to direct the key radially with respect to the axis of the thread and toward the material of the coacting part as the key advances generally axially, in a relation deforming the material of the coacting part by the key and thereby locking the thread against detachment from that part.
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