S-91290A110 M3 x 5 mm 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 for reliable performance in high-stress applications
• Superior corrosion resistance thanks to black-oxide alloy steel construction, extending service life in harsh industrial environments
• Precise hex drive engagement with 2.5mm drive size ensuring secure tool fit and reduced stripping risk during installation
• Optimized thread performance with Class 5g6g thread fit providing consistent clamping force and vibration resistance
• Maximum thread engagement through fully threaded design for superior load distribution across the entire fastener length
• Enhanced hardness properties with Rockwell C37 rating maintaining dimensional stability under heavy loads
• Global standard compliance meeting DIN 912/ISO 4762 specifications for interchangeable use in international applications

Professional Applications & Engineering Value

This M3 socket head cap screw delivers critical engineering solutions for demanding industrial applications where space constraints and high strength requirements coexist. The black-oxide alloy steel construction provides essential corrosion protection while maintaining the Class 12.9 strength rating, making it ideal for machinery, automotive assemblies, and precision equipment where failure is not an option. The metric coarse thread with 0.5mm pitch ensures rapid installation and reliable performance in vibration-prone environments. With its compact 5mm length and standard socket head profile, this fastener excels in confined spaces where accessibility is limited but high clamping force is essential. The combination of 170,000 psi tensile strength and controlled hardness makes these socket head cap screws perfect for critical joints in manufacturing equipment, robotics, and heavy-duty industrial applications requiring predictable, long-term performance.

Specification Summary & Compliance

Manufactured to precise Class 5g6g thread fit tolerances ensuring consistent performance across applications. Fully compliant with DIN 912/ISO 4762 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe use in regulated industries. The metric thread specification with M3 x 0.5mm coarse pitch provides standardized compatibility with international equipment designs.