S-91290A250 M12 x 260 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through black-oxide surface treatment, extending service life in demanding industrial environments
• Precision thread engagement with Class 5g6g thread fit and M12x1.75mm coarse thread profile ensuring secure fastening and vibration resistance
• Optimized drive efficiency featuring 10mm hex socket drive for high torque application and reduced tool slippage during installation
• Versatile partial threading design allowing both threaded engagement and smooth shank functionality for diverse assembly requirements
• Enhanced durability with Rockwell C37 hardness providing excellent wear resistance and long-term reliability
• Global compliance assurance meeting DIN 912/ISO 4762 standards for consistent quality and dimensional accuracy across international projects

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M12 socket head cap screws deliver critical performance where high tensile strength and vibration resistance are paramount. The black-oxide alloy steel construction provides superior corrosion protection in harsh environments, while the Class 12.9 strength rating ensures reliable performance in machinery, automotive assemblies, and structural frameworks. The partially threaded design offers versatility for applications requiring both clamping force and smooth shaft guidance. With 260mm length and coarse thread pitch, these fasteners excel in construction equipment, manufacturing jigs, and industrial automation systems where precise thread engagement and durable performance directly impact operational safety and maintenance intervals.

Specification Summary & Compliance

This metric socket head cap screw features M12x1.75mm coarse thread with Class 5g6g thread fit tolerance, ensuring precise mating with standard nuts and threaded holes. Manufacturing complies with DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, confirming adherence to international regulatory requirements for hazardous substance restrictions.