S-91263A949 M16 x 35 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 high-stress applications
• Superior corrosion resistance provided by zinc-plated alloy steel construction, extending service life in demanding industrial environments
• Precise thread engagement with Class 6g thread fit and M16x2mm coarse thread profile ensuring secure fastening and vibration resistance
• Optimized drive efficiency through 10mm hex drive design allowing for high torque application and easy installation
• Flush mounting capability with standard 90° countersink angle and flat head profile for smooth surface finishes
• Full thread coverage along the 35mm length provides maximum grip strength and uniform stress distribution
• Regulatory compliance assurance meeting DIN 7991 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

This M16 flat head screw delivers critical engineering solutions for heavy-duty industrial applications where high tensile strength and reliable fastening are paramount. The zinc-plated alloy steel construction provides essential corrosion protection in harsh environments, while the Class 10.9 strength rating (equivalent to 120,000 psi tensile strength and Rockwell C32 hardness) ensures structural integrity under extreme loads. The metric coarse thread with 2mm pitch and Class 6g fit guarantees secure engagement in various materials, preventing loosening from vibration. The fully threaded 35mm length and hex drive design facilitate efficient installation in machinery, structural steel connections, and equipment assembly where DIN 7991 compliance is required for quality assurance.

Specification Summary & Compliance

This fastener maintains Class 6g thread fit tolerance per metric standards with M16x2mm coarse thread configuration and right-hand threading. Manufacturing follows DIN 7991 specifications for dimensional accuracy and performance requirements. The product demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The Class 10.9 strength classification confirms consistent mechanical properties including 120,000 psi tensile strength and Rockwell C32 hardness verification.