S-98886A731 1/4"-28 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Extreme temperature resilience for reliable performance in environments ranging from -50°F to 550°F, preventing material failure under thermal stress.
- Superior chemical and corrosion resistance due to PEEK plastic construction, ensuring longevity in harsh industrial settings without degradation.
- Precise Class 2B thread fit guarantees smooth assembly and secure fastening, reducing the risk of cross-threading and improving installation efficiency.
- Lightweight design minimizes overall system weight while maintaining high strength, ideal for applications where weight savings are critical.
- Compliance with REACH and RoHS 3 standards ensures environmental safety and regulatory adherence, supporting sustainable manufacturing practices.
- Fine UNF thread spacing provides enhanced vibration resistance and tighter sealing capabilities compared to coarse threads.
- Standard external hex drive allows for easy installation with common tools, speeding up assembly processes and reducing labor time.
Professional Applications & Engineering Value
This 1/4"-28 UNF PEEK plastic hex nut is engineered to address critical challenges in high-temperature and corrosive environments, such as aerospace, automotive, and chemical processing industries. The PEEK plastic material offers exceptional thermal stability and resistance to a wide range of chemicals, eliminating concerns about rust and galvanic corrosion. Its fine thread spacing and Class 2B thread fit ensure reliable performance in vibrating assemblies, reducing maintenance needs and downtime. By providing a lightweight yet durable alternative to metal nuts, it helps optimize system efficiency and extends service life in demanding applications.
Specification Summary & Compliance
This hex nut adheres to UNF fine thread standards with a Class 2B thread fit for precise dimensional accuracy. Key specifications include a thread size of 1/4"-28, width of 7/16", and height of 3/16". It is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
