S-91263A916 M8 x 35 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 10.9 rating and 120,000 psi tensile strength, ensuring reliable performance under high-stress conditions
• Superior corrosion resistance provided by zinc-plated alloy steel construction, extending service life in demanding industrial environments
• Precise 90° countersink angle and flat head design for flush mounting, creating clean, professional finishes without protrusions
• Secure 5mm hex drive installation allowing for high torque application and reduced risk of stripping during assembly
• Full threading with M8x1.25mm coarse pitch enabling faster installation and superior holding power in various materials
• Class 6g thread fit tolerance ensuring consistent, reliable engagement with mating components for vibration-resistant connections
• Comprehensive regulatory compliance meeting DIN 7991, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

This M8 flat head screw delivers critical engineering solutions where high tensile strength and corrosion resistance are paramount. The zinc-plated alloy steel construction combined with Class 10.9 mechanical properties provides exceptional resistance to vibration loosening and environmental degradation in machinery, automotive, and structural applications. The fully threaded design with coarse pitch ensures maximum grip length and faster assembly in production environments. The 90° countersink angle and flat head profile create seamless surfaces in precision equipment, while the 5mm hex drive facilitates secure installation in confined spaces. These metric screws are engineered to maintain integrity under dynamic loads, making them ideal for critical fastening applications requiring industrial reliability and long-term performance.

Specification Summary & Compliance

This fastener features precision M8x1.25mm metric thread with Class 6g tolerance and right-hand thread direction. Manufactured to DIN 7991 specifications with 35mm length and fully threaded design. The zinc-plated alloy steel construction delivers Rockwell C32 hardness and meets Class 10.9 strength classification. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications worldwide.