S-92240A950 3/8"-16 x 3 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 environments and long-term durability.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and demanding industrial conditions.
• Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity during repeated use.
• Coarse UNC thread with Class 2A fit offers quick assembly, reduced cross-threading risk, and consistent fastening in various materials.
• External hex drive and hex head design allows for easy installation and high torque application with standard tools.
• Fully threaded shank maximizes grip length and distributes stress evenly for secure connections in thick materials.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global industrial use.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The coarse thread and Class 2A thread fit ensure rapid, secure fastening in metals, plastics, and composites, reducing assembly time and minimizing failure risks. With an external hex drive and fully threaded design, it provides consistent clamping force in construction, machinery, and automotive applications, offering reliable performance in environments exposed to moisture, chemicals, and temperature variations. Its high tensile strength and hardness make it suitable for heavy-duty fastening where durability and compliance with ASME B18.2.1 standards are critical.

Specification Summary & Compliance

This screw adheres to precise inch system dimensions, including a 3/8"-16 UNC coarse thread with Class 2A thread fit for consistent accuracy and interchangeability. It meets ASME B18.2.1 manufacturing specifications, ensuring reliable performance in industrial fastening. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting safe and environmentally responsible use in global markets.