S-91290A966 M22 x 50 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under extreme loads, minimizing the risk of fastener failure in critical applications.
• Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
• High-strength Class 12.9 rating guarantees consistent performance for heavy-duty fastening, offering a dependable solution for high-stress assemblies.
• Precise hex socket drive (17mm) allows for high torque application and secure installation, reducing the chance of tool slippage and head stripping.
• Coarse M22 x 2.5mm thread enables quicker assembly and better performance in materials where fine threads might be prone to stripping.
• Full threading along the 50mm length provides maximum grip and adjustability, ensuring a secure fit across the entire engagement area.
• Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability, simplifying sourcing and replacement in global projects.

Professional Applications & Engineering Value

This M22 socket head cap screw is engineered from black-oxide alloy steel to address common industrial challenges such as vibration loosening and environmental degradation. The Class 12.9 strength class and Rockwell C37 hardness provide exceptional resistance to fatigue and shear forces, making it ideal for heavy machinery, automotive assemblies, and structural frameworks. The coarse metric thread with a 2.5mm pitch ensures rapid installation and reliable holding power in softer materials or where debris accumulation is a concern. Its fully threaded design and 17mm hex drive facilitate precise torque control, reducing assembly time and enhancing safety in high-strength bolting applications. By meeting rigorous international standards, this screw delivers consistent performance and longevity, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This socket head cap screw features a metric M22 x 2.5mm coarse thread with a Class 5g6g thread fit for precise dimensional accuracy as per ISO 4762 and DIN 912 specifications. It is manufactured from alloy steel with a black-oxide surface treatment and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global supply chains.