S-91274A123 M5 x 6 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 psi tensile strength, ensuring reliable performance in high-stress applications
• Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh industrial environments
• Precise hex drive engagement with 4mm drive size, allowing for secure tool fitting and reduced stripping risk during installation
• Optimized thread design with M5 coarse thread (0.8mm pitch) and Class 5g6g fit, enabling quick assembly and vibration resistance
• Compact low-profile head (8.5mm diameter, 5mm height) for space-constrained applications while maintaining high torque capability
• Consistent mechanical properties with Rockwell C37 hardness, providing reliable performance across production batches
• Full regulatory compliance meeting international standards for both performance and environmental safety

Professional Applications & Engineering Value

These Class 12.9 socket head cap screws deliver exceptional engineering value in demanding applications where failure is not an option. The zinc-flake-coated alloy steel construction solves critical corrosion problems in industrial environments exposed to moisture, chemicals, or outdoor conditions, while maintaining the 170,000 psi tensile strength required for heavy machinery, automotive assemblies, and precision equipment. The M5 fully threaded design with coarse 0.8mm pitch provides superior holding power in metals and engineered materials, resisting vibration-induced loosening that plagues many industrial applications. The hex socket drive enables high torque application in confined spaces, making these fasteners ideal for CNC machinery, robotic systems, and manufacturing equipment where accessibility is limited but performance cannot be compromised.

Specification Summary & Compliance

This M5 x 0.8mm x 6mm socket head cap screw features precision Class 5g6g thread fit according to ISO metric standards, ensuring consistent engagement and reliable performance. Manufactured to ISO 4762 and DIN 912 specifications with dimensional accuracy guaranteed. The product demonstrates corrosion resistance per ASTM B117 testing standards and maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications with strict material restrictions.