S-91221A450 8-32 x 5/8" Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Superior chemical resistance and thermal stability with a wide operating range from -20° to 230°F, ideal for harsh industrial environments.
• Lightweight and durable construction using glass-filled nylon material, reducing component weight while maintaining strength.
• Precise and secure fastening with Class 2A thread fit and UNC coarse threads, ensuring reliable engagement and vibration resistance.
• Easy installation and removal with a standard 9/64" hex drive and socket head design, allowing for efficient tool access in confined spaces.
• Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe and sustainable use in various industries.
• Fully threaded right-hand design for maximum grip and uniform load distribution along the entire 5/8" length.
• Cost-effective alternative to metal screws with off-white color and plastic composition, offering corrosion resistance without sacrificing performance.

Professional Applications & Engineering Value

This glass-filled nylon socket head cap screw is engineered to address common challenges in industrial settings, such as corrosion, electrical insulation, and weight reduction. The 8-32 UNC coarse thread with Class 2A fit provides excellent holding power and minimizes loosening under vibration, making it suitable for machinery, electronics, and automotive assemblies. Its right-hand thread direction and fully threaded rod ensure consistent clamping force, while the socket head with 9/64" hex drive allows for easy torque application in tight spaces. Ideal for applications requiring thermal stability and chemical resistance, this screw offers a reliable, non-conductive fastening solution that meets stringent RoHS 3 and REACH compliance, enhancing safety and durability in demanding environments.

Specification Summary & Compliance

This product adheres to precise inch system dimensions, including a 5/8" length, 0.164" thread diameter, and Class 2A thread fit for accurate assembly. It conforms to UNC coarse thread standards and is manufactured with a standard socket head profile and right-hand thread direction. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory adherence for industrial use.