S-91290A129 M10 x 120 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI from Class 12.9 alloy steel, ensuring reliable performance in high-stress applications without failure.
• Superior corrosion resistance with black-oxide coating, prolonging service life in harsh industrial environments and reducing maintenance needs.
• Precise thread fit (Class 5g6g) and coarse 1.5mm pitch for easy installation and secure fastening, minimizing assembly time and errors.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining integrity under repetitive loads and vibrations.
• Partially threaded design with 32mm thread length allows for controlled clamping force and flexibility in varied joint configurations.
• 8mm hex drive socket head enables efficient torque application with standard tools, reducing slippage and enhancing worker safety.
• Compliance with DIN 912, RoHS 3, and REACH ensures adherence to international quality and environmental standards, supporting global supply chain requirements.

Professional Applications & Engineering Value

This M10 socket head cap screw is engineered from black-oxide alloy steel to address critical industrial challenges, such as vibration loosening and corrosion in machinery, automotive, and construction equipment. The Class 12.9 high-strength material and metric coarse thread with a 1.5mm pitch provide robust clamping force and fatigue resistance, ideal for dynamic loads. Its partially threaded shank and 8mm hex drive facilitate precise alignment and torque control, reducing installation errors. By meeting DIN 912 standards, it ensures dimensional accuracy and reliability, making it a trusted choice for engineers seeking durability and regulatory compliance in demanding environments.

Specification Summary & Compliance

This fastener features a Thread Fit of Class 5g6g per ISO/metric standards, ensuring precise thread engagement and tolerance. It adheres to the DIN 912 specification for socket head cap screws, covering dimensions and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms it is free from hazardous substances, supporting safe and sustainable industrial use. The manufacturing process follows strict quality controls to maintain consistency in thread pitch, length, and strength class.