内六角螺钉是孔式螺钉的一种。

Hexagon screw is a screw hole.

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将钩体用M5的内六角紧顶螺钉固定在底座上。

Fix the hook on the base with the M5 inner hexangular set screw.

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将钩体用M5的内六角紧顶螺钉固定在底座上。

Fix the hook on the base with the M5 inner hexangular set screw.

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