S-99477A270 8-32 x 1/2" Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Corrosion-resistant polypropylene plastic construction ensures reliable performance in humid or chemical environments without rust or degradation.
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening with minimal risk of cross-threading in industrial applications.
• Wide temperature tolerance from -20° to 210°F maintains structural integrity in varying thermal conditions, ideal for outdoor or HVAC assemblies.
• 9/64" hex drive socket head design allows for high-torque installation with standard tools, reducing assembly time and improving efficiency.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains and sensitive industries.
• Coarse UNC 8-32 threading provides quick engagement and strong holding power in plastic or soft material components.
• Off-white color and non-conductive material offer aesthetic consistency and electrical insulation for electronic or consumer product assemblies.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw delivers exceptional value in precision-driven industries by addressing common challenges like corrosion, electrical conductivity, and regulatory compliance. Crafted from durable polypropylene plastic, it resists moisture, chemicals, and galvanic reactions, making it ideal for electrical enclosures, medical devices, and food processing equipment where metal fasteners could fail. The coarse thread and Class 2A fit ensure rapid installation with reduced wear on plastic housings, while the temperature resistance supports stable performance from freezing to elevated heat conditions. Its right-hand thread and standard socket head simplify maintenance and disassembly, enhancing lifecycle efficiency in automated or manual assembly lines.

Specification Summary & Compliance

This fastener adheres to UNC 8-32 thread standards with a Class 2A thread fit for consistent dimensional accuracy and reliable engagement. It is manufactured with a coarse thread spacing, right-hand thread direction, and fully threaded rod design. Compliance includes full conformance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted hazardous substances and suitable for international industrial markets.