S-91263A864 M3 x 16 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength rating and 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in harsh industrial environments
• Precise flush mounting with standard 90° countersink angle and flat head design for seamless surface integration
• Efficient installation and removal using standard 2mm hex drive tools, reducing assembly time and maintenance costs
• Optimal thread engagement with fully threaded M3 coarse pitch (0.5mm) design ensuring secure fastening across the entire length
• Consistent dimensional accuracy maintained through Class 6g thread fit tolerance for reliable interchangeability
• Regulatory compliance assurance meeting DIN 7991, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These M3 flat head hex screws deliver critical engineering solutions where space constraints and surface finish requirements are paramount. The zinc-plated alloy steel construction provides essential corrosion protection while maintaining the Class 10.9 high-strength properties needed for structural applications. The fully threaded metric coarse pitch design ensures maximum thread contact in various materials, preventing loosening under vibration. The 90° countersink angle and flat head profile create seamless transitions in precision machinery, automotive assemblies, and electronic enclosures where protruding fasteners are unacceptable. These industrial screws solve common challenges of component alignment, weight reduction, and maintenance accessibility while meeting stringent European standards for manufacturing excellence.

Specification Summary & Compliance

This metric flat head screw features precise M3 x 0.5mm coarse threading with Class 6g tolerance for consistent fit. Manufacturing adheres to DIN 7991 specifications ensuring dimensional accuracy and performance reliability. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. With Rockwell C32 hardness and verified mechanical properties, these screws meet international standards for industrial fastening applications requiring certified quality assurance.