| 摘要 |
A fastener member includes a threaded shank portion (24) and a point (20) at a work entering end thereof. The point includes a radiused portion (48) which is engaged with a female member threaded bore to start engagement of the fastener member therewith. In certain embodiments, the point further includes an unthreaded portion (38), which has a diameter that is slightly less than a minor diameter of the shank portion, connecting the radiused portion and the threaded portion.
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