S-98885A214 1/4"-20 x 3" ASME B18.3, UL 94 V-0 Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional thermal stability maintains structural integrity across extreme temperatures from -50°F to 500°F
• Superior chemical resistance ensures reliable performance in corrosive environments without degradation
• High tensile strength of 25,000 psi provides secure fastening in demanding mechanical applications
• Excellent electrical insulation properties prevents current leakage in electrical assemblies
• Self-extinguishing UL 94 V-0 rating enhances fire safety in industrial settings
• Precision Class 2A thread fit guarantees consistent engagement and reliable torque transmission
• Standard hex drive compatibility enables quick installation with common 3/16" tools

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this PEEK plastic socket head cap screw delivers exceptional performance where metal fasteners fail. The high-temperature PEEK material maintains dimensional stability across extreme thermal cycles from -50°F to 500°F, eliminating concerns about thermal expansion mismatches. Its chemical resistance prevents degradation in aggressive media, while the electrical insulation properties make it ideal for electrical enclosures and electronic assemblies. The fully threaded UNC coarse thread design ensures maximum grip strength in plastic, composite, and soft material applications. These socket head cap screws provide reliable fastening solutions in aerospace, semiconductor, chemical processing, and medical equipment where non-conductive, corrosion-resistant fasteners are critical.

Specification Summary & Compliance

This 1/4"-20 x 3" socket head cap screw features precision UNC coarse threads with Class 2A fit ensuring consistent engagement and reliable performance. Manufactured to ASME B18.3 specifications for dimensional accuracy and mechanical properties. The fastener is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical safety. Additionally certified to UL 94 V-0 flammability standard for enhanced fire safety in electrical applications.