Self-locking nut its functions are mainly anti-loose and anti-vibration.
Used for special occasions.
The principle of its operation is generally self-locking by friction.
Self-locking nuts are classified by function as those with nylon-ring inserts, neck closures, and metal release preventers.
According to the design principle, as long as the locking force is sufficient, the lock can never become loose (that is, the phenomenon of "bite to death").
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