Lock nut:

Locking nuts are used to securely fasten bolts and screws in place, preventing them from loosening due to vibration or other external forces. These nuts feature a unique design that requires a specific tool to tighten or loosen them, ensuring that they remain securely locked in place. 

However, it is important to note that these nuts should only be used on bolts or screws that are designed to tolerate the additional pressure created by the locking mechanism. 

Additionally, care should be taken to ensure that the nuts are tightened properly to prevent damage to the bolts or screws or the objects they are securing.

The production process of hexagonal nylon anti-loose nuts differs from that of ordinary nuts.

Firstly, the nylon material is melted and formed into a nut shape using injection molding technology. 

Then, a special manufacturing process is used to create a unique pattern on the internal threads of the nut, which helps prevent the nut from loosening. 

The finished product is then subjected to high strength and quality testing to ensure durability and reliability. Ordinary nuts, on the other hand, are usually made of metal and their threads are cut during the production process. The finished product is then tested for size, strength, and general quality.