ISO7040 Stainless Steel SS316 304 Grade 5 / 8/ 10 Lock Nuts

Lock nuts are pivotal components used to secure the outer joint of wires or fittings. The fundamental operation of a nut involves utilizing friction between the nut and the bolt to self-lock. However, this self-locking mechanism may experience reduced reliability under dynamic loads. In critical applications, additional anti-loosening measures are often employed to ensure the nut's locking reliability.

Among these measures, lock nuts play a crucial role. Their effectiveness in preventing loosening primarily relies on the interaction force between the nut and the threaded engagement of the bolt. Various methods are employed to enhance this interaction force between mating threads. These methods include enhancements in thread structures, such as Shibong nuts' improved thread design, the application of nylon coatings on nylon nuts for increased grip, and surface treatments applied to the threads. These measures collectively work to bolster the locking capability of nuts, ensuring greater reliability in preventing unintended loosening. The availability of these stainless steel lock nuts in different grades offers flexibility in choosing the appropriate strength level required for specific applications, while their corrosion-resistant properties make them suitable for various environments.

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The working principle of the nut is self-locking by the friction between the nut and the bolt. However, the reliability of this self-locking in dynamic loads is reduced. In some important cases, we will take some anti-loose measures to ensure the reliability of the nut locking. The use of a lock nut is one of the anti-loose measures