S-91263A924 M8 x 100 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 grade and 120,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in demanding industrial environments
• Precise thread engagement with Class 6g thread fit and M8x1.25mm coarse thread profile ensuring secure fastening and vibration resistance
• Optimized drive efficiency featuring 5mm hex drive and flat head design for easy installation and flush mounting in countersunk applications
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire 100mm length
• Regulatory compliance assurance meeting DIN 7991 specifications and environmental standards including RoHS 3 and REACH
• Enhanced durability with Rockwell C32 hardness maintaining structural integrity under repeated loading conditions

Professional Applications & Engineering Value

This M8 flat head hex screw delivers critical engineering solutions for industrial applications requiring both high strength and corrosion protection. The zinc-plated alloy steel construction provides essential defense against environmental degradation in manufacturing equipment, structural assemblies, and machinery components. With its Class 10.9 strength rating and 120,000 psi tensile strength, this fastener reliably withstands heavy dynamic loads and vibration in automotive, construction, and industrial machinery applications. The fully threaded metric design with coarse 1.25mm pitch ensures rapid installation and superior holding power in various materials, while the 90° countersink angle and flat head profile create seamless, flush surfaces critical for safety and aesthetics in finished products.

Specification Summary & Compliance

This metric flat head screw features precise M8x1.25mm coarse threading with Class 6g thread fit tolerance according to ISO standards. The fastener is manufactured to meet DIN 7991 specifications for dimensional accuracy and performance requirements. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety. The combination of Rockwell C32 hardness and 120,000 psi tensile strength validates its classification as a Class 10.9 high-strength fastener suitable for critical engineering applications.