S-90585A213 6-32 x 7/16" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh environments and extended service life
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance in demanding applications
• Precision flush mounting enabled by the standard 82° countersink angle and flat head design for seamless, secure installations
• High-reliability threading with Class 3A fit and UNC coarse thread profile ensuring secure, vibration-resistant fastening
• Efficient installation and removal via the 5/64" hex drive, providing positive torque transfer and reducing tool slippage
• Full-length threading for maximum grip and holding power across the entire 7/16" length
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 6-32 UNC flat head screws deliver critical engineering value in applications where corrosion resistance, flush surface mounting, and high tensile strength are paramount. Manufactured from 316 Stainless Steel with a passivated finish, they effectively combat degradation from chemicals, moisture, and salt-laden atmospheres—making them ideal for marine, chemical processing, and food equipment industries. The Class 3A thread fit and coarse UNC threading provide superior resistance to loosening under vibration, while the 82° countersink ensures a smooth, flush finish that eliminates protrusions in machinery and enclosures. The combination of fully threaded design and hex drive allows for rapid, secure installation in tight spaces, reducing assembly time and improving structural integrity in industrial screw applications.

Specification Summary & Compliance

This flat head screw features a 6-32 UNC thread with Class 3A fit for precise dimensional accuracy, a head diameter of 0.307" with tolerance from -0.044" to 0", and a length of 7/16". Manufacturing and quality are governed by ASME B18.3 specifications, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to strict environmental and safety standards for industrial components.