S-91290A612 M12 x 20 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength for demanding applications with Class 12.9 rating and 170,000 psi tensile strength, ensuring reliable performance under high stress.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise and secure fastening with Class 5g6g thread fit and M12x1.75mm coarse thread, providing excellent engagement and vibration resistance.
• Easy installation in confined spaces using the 10mm hex drive and standard socket head, allowing for high torque application with common tools.
• Full thread coverage for versatile mounting as a fully threaded design, enabling flexible positioning and strong holding power along the entire 20mm length.
• High durability and wear resistance from Rockwell C37 hardness, reducing deformation and maintaining integrity over repeated use.
• Global compliance and reliability meeting DIN 912/ISO 4762 standards, RoHS 3, and REACH, ensuring safe and consistent quality for international projects.

Professional Applications & Engineering Value

This M12 socket head cap screw is engineered to address critical challenges in heavy-duty machinery, automotive assembly, and precision equipment where failure is not an option. The black-oxide alloy steel construction combats rust and wear, while the Class 12.9 strength class and 170,000 psi tensile strength provide a safety margin for high-load scenarios. Its metric coarse thread with 1.75mm pitch ensures quick assembly and robust clamping force, reducing the risk of loosening under vibration. The hex drive and standard socket head profile allow for efficient tightening in tight spaces, minimizing installation time and improving workflow in industrial settings. Ideal for applications demanding exceptional mechanical properties and long-term reliability, this screw delivers consistent performance in demanding environments.

Specification Summary & Compliance

This product features precise Class 5g6g thread fit per metric standards, ensuring accurate engagement and interchangeability. It complies with DIN 912 / ISO 4762 specifications for dimensional consistency and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental and safety adherence for global supply chains.