S-92210A358 1-64 x 3/16" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term fastening.
• Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure installations and reduced cross-threading risks.
• Optimized flush mounting featuring a standard 82° countersink angle and flat head design for a smooth, professional finish.
• Efficient installation and removal using a 0.050" hex drive, providing superior torque transmission and slip resistance.
• Full threading along the 3/16" length for maximum grip and holding power in a wide range of material thicknesses.
• Guaranteed compliance and safety meeting ASME B18.3, RoHS 3, and REACH standards for quality-assured and environmentally responsible sourcing.

Professional Applications & Engineering Value

This 1-64 UNC flat head screw is engineered to address critical challenges in precision assembly and demanding environments. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for applications in electronics, automotive, and marine equipment where durability is paramount. The Class 3A thread fit and coarse thread spacing ensure quick assembly with high vibration resistance, reducing maintenance needs. Its flat head with an 82° countersink allows for seamless integration into surfaces, preventing snagging and improving aesthetic finishes. These features collectively deliver reliable performance in industrial screws applications, ensuring long-term operational integrity and reduced lifecycle costs.

Specification Summary & Compliance

This screw adheres to Inch system measurements with a Thread Fit of Class 3A and UNC thread type for precision. Manufacturing and quality are governed by ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and commercial uses.