S-99926A108 6-32 x 3/8" 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, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precise Class 3A thread fit providing tighter tolerances and improved assembly security compared to standard fits
• Enhanced driving efficiency with hex drive design preventing cam-out and enabling high-torque installation
• Optimal flush mounting featuring undercut flat head profile with 100° countersink angle for seamless surface integration
• Reliable partial threading allowing unthreaded shank section for precise clamping force distribution
• Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 6-32 UNC flat head screws combine the corrosion resistance of 18-8 stainless steel with precision Class 3A thread fit to solve critical fastening challenges. The passivated finish significantly enhances surface durability while maintaining corrosion protection in moisture-prone applications. The undercut flat head profile with 100° countersink angle ensures flush mounting without protrusion, ideal for machinery, electronic enclosures, and automotive assemblies where surface clearance is critical. The hex drive design provides superior torque transmission, eliminating stripping during high-stress installations. With coarse thread spacing and partial threading, these screws deliver optimal grip strength while preventing material distortion in thin-section components.

Specification Summary & Compliance

This 3/8" length flat head screw features precision UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufacturing complies with industry standards for 18-8 stainless steel fasteners, delivering consistent 70,000 psi tensile strength and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial applications.