S-99477A116 10-24 x 1" ASME B18.3, UL 94 HB Plastic Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional chemical and moisture resistance with durable Polypropylene Plastic construction, ideal for harsh industrial environments.
• Reliable mechanical performance with a tensile strength of 4500 psi, ensuring secure fastening in demanding applications.
• Wide operating temperature range from -20° to 180° F, providing consistent performance in varying thermal conditions.
• Precise and easy installation using a standard 5/32" hex drive, reducing assembly time and tool wear.
• Superior thread engagement and interchangeability with Class 2A thread fit and UNC coarse threads, minimizing cross-threading risks.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
• Lightweight and non-conductive properties of the off-white plastic material, suitable for electrical and weight-sensitive assemblies.

Professional Applications & Engineering Value

This 10-24 UNC Socket Head Cap Screw is engineered from robust Polypropylene Plastic to address common industrial challenges such as corrosion, electrical insulation needs, and weight reduction. The coarse thread spacing and Class 2A thread fit ensure quick, reliable fastening in materials like plastics and soft metals, reducing installation errors and maintenance. Its right-hand thread and standard socket head profile with a 5/32" hex drive facilitate efficient assembly in confined spaces, commonly used in electronics enclosures, automotive components, and machinery where metal fasteners are unsuitable. With a temperature resistance from -20° to 180° F and 4500 psi tensile strength, it offers durability in varied environments, making it a versatile choice for engineers seeking cost-effective, compliant fastening solutions.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse thread for consistent performance. It meets ASME B18.3 specifications for socket head cap screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global industrial applications.