Material: 304 stainless steel

Regarding the sizes: I uploaded an infographic of all the sizes, selecting the corresponding size will jump to the corresponding size information .

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The American Stainless Steel Hex Nylon Locking Nut is a fastener manufactured to U.S. standard dimensions and specifications that combines the corrosion resistance of stainless steel with the self-locking feature of a nylon insert. This nut is designed to prevent loosening in environments where vibration, power loads, or long term stable locking is required.
Stainless Steel: Stainless steel provides excellent corrosion resistance and is suitable for a wide range of environments, especially those where exposure to corrosive substances is likely.

Nylon insert: The nylon tightening ring is embedded in the body of the nut. When the nut is tightened, the nylon ring expands and binds tightly to the bolt threads, providing additional locking force and effectively preventing loosening due to vibration or load changes.

Hexagonal shape: The hexagonal design facilitates installation and removal using standard tools such as spanners or sockets.

Good vibration resistance: Nylon locknuts are particularly suitable for environments prone to vibration, as the nylon insert absorbs and distributes the force, reducing the risk of loosening due to vibration.

Reusable: While nylon inserts may wear out after multiple uses, this type of nut can often be reused, and only needs to be checked regularly for performance.

American stainless steel hexagonal nylon locknuts are widely used in a number of industries, including automotive, aerospace, machine building, construction and petrochemical. They are particularly suitable for joints that require high reliability and safety, and for applications in extreme environments.