S-92210A622 3/8"-16 x 3/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments
• Superior load-bearing capability from 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance
• Precise thread engagement with Class 3A fit and UNC coarse threading, ensuring vibration resistance and easy assembly
• Flush, secure installation thanks to the standard 82° countersink angle and flat head design for smooth surface finishing
• Efficient installation and removal using the 7/32" hex drive, reducing tool slippage and maintenance time
• Full thread coverage across the 3/4" length for maximum grip strength in various material thicknesses
• Compliance with global standards including ASME B18.3, RoHS 3, and REACH for safe, regulated use in international projects

Professional Applications & Engineering Value

This 3/8"-16 UNC Flat Head Screw is engineered to address common industrial challenges such as material degradation and assembly inefficiency. Constructed from 18-8 Stainless Steel with a passivated finish, it provides outstanding resistance to rust and chemical exposure, making it suitable for marine, chemical processing, and outdoor equipment applications. The coarse UNC threading and Class 3A thread fit enhance grip in softer materials and reduce cross-threading risks, while the 82° countersink angle ensures a seamless fit in pre-drilled holes, minimizing protrusion and improving aerodynamic or aesthetic surfaces. Its fully threaded design and hex drive enable quick, secure fastening in high-vibration environments, supporting maintenance efficiency and structural integrity in industrial machinery, automotive assemblies, and construction frameworks.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with precise dimensions including a 3/8"-16 UNC coarse thread, Class 3A thread fit for tight tolerances, and a 3/4" length. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, ensuring no hazardous substances are used. The manufacturing process follows standardized inch system measurements, guaranteeing consistency and reliability in industrial fastener applications.