S-98885A219 3/8"-16 x 1/2" ASME B18.3, UL 94 V-0 Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -50°F to 500°F, ideal for high-heat and cryogenic applications without degradation.
• High tensile strength of 25,000 psi ensures reliable performance under mechanical stress in demanding environments.
• Corrosion-resistant PEEK plastic construction eliminates rust and chemical wear, extending service life in harsh conditions.
• Electrical insulation properties prevent current leakage, making it safe for electronic and electrical assemblies.
• UL 94 V-0 flammability rating provides self-extinguishing safety in case of fire exposure.
• Hex socket drive design allows for secure, high-torque installation with standard tools, reducing slippage risks.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This PEEK plastic socket head cap screw is engineered to address critical challenges in industries where metal fasteners fail. Its high-temperature resistance and chemical inertness make it perfect for corrosive environments like chemical processing, automotive under-hood applications, and aerospace components. The 3/8"-16 UNC coarse thread with Class 2A fit ensures easy installation and vibration resistance, while the electrical insulation properties prevent short circuits in electronic enclosures and power systems. By combining durability with lightweight design, it reduces overall assembly weight without compromising tensile strength, offering a reliable solution for maintenance-free operations in extreme conditions.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with UNC coarse threads and Class 2A thread fit for consistent dimensional accuracy. It meets UL 94 V-0 for flammability safety, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances are present. The 1/2" length and standard socket head profile provide reliable fastening performance across industrial applications.