S-98886A817 3/8"-16 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -50°F to 550°F, ensuring reliable performance in extreme temperature environments without degradation.
• Superior chemical resistance due to PEEK plastic construction, providing long-term durability against harsh industrial chemicals and solvents.
• Precise Class 2B thread fit for smooth assembly and secure fastening, reducing installation time and minimizing the risk of cross-threading.
• Standard external hex drive design allows for easy installation with common tools, improving workflow efficiency in maintenance and production lines.
• Coarse UNC threading enables quick engagement and disassembly, ideal for applications requiring frequent adjustments or servicing.
• Compliance with RoHS 3 and REACH standards ensures environmental safety and meets global regulatory requirements for hazardous substance restrictions.
• Lightweight yet robust profile reduces overall assembly weight while maintaining high strength, suitable for weight-sensitive industrial applications.

Professional Applications & Engineering Value

This PEEK plastic hex nut is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing, where high-temperature resistance and chemical inertness are paramount. Its 3/8"-16 UNC coarse thread and Class 2B fit provide reliable fastening in vibrating or thermal cycling conditions, preventing loosening and ensuring long-term joint integrity. The external hex drive facilitates quick installation with standard wrenches, reducing labor costs in assembly lines. By utilizing PEEK material, this nut eliminates corrosion issues common in metal fasteners, making it ideal for harsh environments like oil refineries or electronic enclosures exposed to extreme heat and aggressive chemicals.

Specification Summary & Compliance

This hex nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from restricted hazardous substances. Manufactured to precise specifications, including a width of 5/8" and height of 1/4", it is suitable for use in regulated industries requiring documented material safety and environmental responsibility.