S-90854A415 M8 x 65 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
• Optimized torque transmission with external hex drive design for secure installation and removal
• High-strength Class 10.9 rating ensures consistent performance under heavy mechanical stress
• Precision thread engagement with Class 6h fit for secure fastening and vibration resistance
• Enhanced durability from Rockwell C32 hardness, maintaining structural integrity under repeated loads
• Versatile partial threading allowing for both clamping and alignment functions in assembly

Professional Applications & Engineering Value

These M8 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where failure is not an option. The Class 10.9 steel construction provides exceptional strength-to-weight ratio, while the zinc yellow-chromate plating creates a protective barrier against corrosion in challenging environments. The metric coarse thread with 1.25mm pitch ensures rapid installation and reliable performance in vibration-prone assemblies. With partial threading and precise Class 6h thread fit, these fasteners offer optimal clamp load distribution and resistance to loosening, making them ideal for machinery, structural steel connections, and automotive applications where high tensile strength and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to exacting ISO 4014/DIN 931 standards, these hex head screws feature M8 x 1.25mm coarse thread with Class 6h tolerance for precision fit. The 65mm length includes 22mm minimum thread engagement and external hex drive configuration. Compliant with international quality specifications for dimensional accuracy and mechanical properties, ensuring consistent performance across industrial applications. The manufacturing process adheres to recognized industrial standards for material quality and plating thickness to maintain corrosion resistance and mechanical integrity.