S-92198A644 3/8"-16 x 5" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh or outdoor environments.
• High tensile strength of 80,000 psi ensures reliable performance in demanding, heavy-duty applications.
• Superior durability and material integrity provided by a Rockwell B70 hardness rating.
• Secure and precise assembly with a Class 2A thread fit for consistent, reliable fastening.
• Optimized for high-torque applications featuring an external hex drive and standard hex head for easy installation.
• Versatile coarse UNC threading offers excellent engagement and resistance to loosening in various materials.
• Compliance with major industry standards including ASME B18.2.1, ensuring quality and interchangeability.

Professional Applications & Engineering Value

This 3/8"-16 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to solve critical challenges in industrial settings, such as corrosion in marine, chemical, or food processing environments. The coarse thread and partial threading design provide superior grip and reduce the risk of cross-threading during assembly in structural frameworks, machinery, and heavy equipment. With an external hex drive and high tensile strength, it supports high-torque installations, ensuring long-term reliability and reducing maintenance needs in heavy-duty applications. This makes it a trusted choice for engineers seeking durable, compliant fasteners that uphold project integrity.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit tolerances and the UNC thread standard, ensuring dimensional accuracy and compatibility. It is manufactured in compliance with the ASME B18.2.1 specification and meets environmental regulations, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its suitability for global industrial use.