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Fasteners (castle nuts): standard slot count for 25 mm size For a 25 mm castle (slotted) nut, select the standard number of slots provided for cotter pin locking. Choose the correct option.

Difficulty: Easy

Correct Answer: 6

Explanation:

Concept
Castle (slotted) nuts are commonly manufactured with six radial slots, providing several angular positions to align a cotter pin through the nut and drilled bolt shank. This facilitates reliable locking at the required preload.


Final Answer
6

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