| 摘要 |
Provided is a saferlock nut for preventing a nut engaged with a spiral shaft of a bolt from being arbitrarily disengaged, and in particular, a saferlock nut by which, when a nut is engaged with a bolt while passing through a spiral shaft of the bolt or is disengaged from the bolt, the engagement and the disengagement can be performed smoothly without damaging the spiral shaft and the nut is not disengaged from the spiral shaft owing to strong engaging force when the nut is spiral-engaged with the spiral shaft, in spite of external vibration.
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