S-92314A409 3/8"-16 x 5 1/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing long-term replacement costs.
• High tensile strength of 70,000 psi ensures reliable performance under significant load and stress, preventing fastener failure.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the service life of your assemblies.
• Coarse UNC thread and Class 2A fit allow for faster installation and easier alignment, improving assembly efficiency.
• External hex drive and hex head design offer secure, high-torque application with standard tools, minimizing stripping and slippage.
• Partial threading provides an unthreaded shank for precise clamping and shear strength in specific joint designs.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility for global projects.

Professional Applications & Engineering Value

This 3/8"-16 UNC Hex Head Screw is engineered to solve critical challenges in demanding industrial applications. The 18-8 Stainless Steel material offers exceptional resistance to corrosion and oxidation, making it perfect for outdoor machinery, marine equipment, and chemical processing plants where moisture and chemicals are prevalent. The coarse thread and Class 2A thread fit ensure quick, reliable fastening even in vibratory conditions, reducing the risk of loosening. With a partially threaded design, it provides a strong, unthreaded grip length that enhances shear resistance in structural connections, such as framing and heavy-duty assemblies. The external hex drive allows for high torque application, ensuring a secure fit in high-stress environments. This screw delivers consistent performance, minimizes maintenance, and supports long-term operational reliability in construction, manufacturing, and infrastructure projects.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for use in environmentally sensitive and global industrial markets.