S-92210A669 7/16"-14 x 1" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional thread engagement and vibration resistance with Class 3A precision thread fit and coarse UNC threading
• High-strength performance under load with 70,000 psi tensile strength and Rockwell B55 hardness
• Secure, flush installation enabled by the 82° countersink angle and standard flat head profile
• Reliable torque transmission through the 1/4" hex drive, preventing stripping during installation
• Enhanced chemical resistance and longevity from the passivated surface finish
• Full regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for industrial use

Professional Applications & Engineering Value

This 7/16"-14 UNC flat head screw in 18-8 stainless steel delivers critical reliability in demanding applications where corrosion resistance and precise Class 3A thread fit are paramount. The combination of coarse threading and full threading provides excellent grip in softer materials and faster installation times. The passivated finish significantly enhances the natural corrosion resistance of stainless steel, making these flat head screws ideal for machinery, marine equipment, food processing systems, and structural assemblies exposed to moisture or chemicals. The 82° countersink angle ensures a secure, flush mount, eliminating protrusions for a safer and more professional finish. Engineered for heavy-duty fastening, it solves common failure points like seizing, stripping, and premature corrosion.

Specification Summary & Compliance

This fastener adheres to a Class 3A thread fit for high-precision applications, manufactured to ASME B18.3 specifications. The UNC coarse thread (7/16"-14) and 1" length are precisely controlled for dimensional accuracy. 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 suitable for global industrial supply chains.