S-98885A216 1/4"-28 x 3/4" ASME B18.3, UL 94 V-0 Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -50°F to 500°F, ensuring reliable performance in extreme temperature environments.
• High tensile strength of 25,000 psi provides robust fastening for demanding mechanical assemblies without metal corrosion risks.
• UL 94 V-0 flammability rating enhances safety in electrical and high-heat applications by resisting ignition and flame propagation.
• Fine UNF thread (1/4"-28) with Class 2A fit delivers precise, vibration-resistant connections in fine-pitch threading requirements.
• Hex socket drive design allows for easy installation with standard tools, reducing assembly time and improving workflow efficiency.
• PEEK plastic construction offers inherent corrosion resistance and electrical insulation, ideal for chemical or electronic settings.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

Engineered for challenging industrial environments, this PEEK plastic socket head cap screw combines high-temperature resistance and electrical insulation to solve common engineering pain points like galvanic corrosion in metal-sensitive assemblies. The fine UNF thread and Class 2A fit provide secure, vibration-resistant fastening in precision equipment, while the hex drive design streamlines maintenance in confined spaces. Ideal for aerospace, automotive, and electronics sectors, it maintains integrity under thermal cycling and harsh chemicals, reducing downtime and replacement costs. Its beige color aids in part identification, supporting efficient inventory management in B2B procurement workflows.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with a 1/4"-28 UNF fine thread and Class 2A tolerance for precise dimensional accuracy. It meets UL 94 V-0 for flame retardancy, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental standards in industrial applications.