S-90059A029 1/4"-20 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional high-temperature resistance maintains structural integrity and performance in environments up to 500°F, preventing deformation under thermal stress.
• Superior chemical and corrosion resistance due to PTFE plastic construction, ensuring long-term reliability in harsh industrial settings.
• Reliable coarse UNC threading with Class 2B fit provides smooth engagement and secure fastening, reducing the risk of cross-threading.
• Standard external hex drive design allows for easy installation and removal with common tools, improving assembly efficiency.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global industry standards for hazardous substance control.
• Durable white PTFE material offers excellent wear resistance and a clean appearance, suitable for applications requiring visual consistency.
• Precise 1/4"-20 thread size and dimensions ensure compatibility with standard inch-system components, streamlining inventory and replacement processes.

Professional Applications & Engineering Value

This PTFE plastic hex nut is engineered to address critical challenges in high-temperature and corrosive environments, such as chemical processing, automotive, and aerospace assemblies. The PTFE material provides inherent non-stick properties and resistance to a wide range of chemicals, reducing maintenance needs and extending service life. With a maximum temperature rating of 500°F and Class 2B thread fit, it ensures consistent performance under thermal cycling and vibration, minimizing loosening risks. The coarse UNC 1/4"-20 threads facilitate quick installation in demanding applications, while the standard hex profile allows for efficient torque application. Ideal for industries requiring RoHS and REACH compliant fasteners, this nut supports sustainable manufacturing without compromising on industrial reliability.

Specification Summary & Compliance

This hex nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and smooth assembly. Manufactured to standard inch-system specifications, it includes a right-hand thread direction, external hex drive, and dimensions of 7/16" width and 7/32" height. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for hazardous substances.