S-91290A622 M12 x 40 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI from Class 12.9 alloy steel ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance with black-oxide surface treatment prolongs service life in harsh industrial environments, minimizing maintenance needs.
• Precise hex socket drive (10mm) allows for secure, high-torque installation and removal, enhancing assembly efficiency and reducing tool slippage.
• Fully threaded M12 design with coarse 1.75mm pitch provides quick, deep engagement and strong holding power in various materials.
• High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity and dimensional stability under repeated use.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring seamless integration into global engineering projects.
• Environmental compliance (RoHS 3 & REACH) supports sustainable manufacturing practices and meets stringent regulatory requirements for safe usage.

Professional Applications & Engineering Value

This M12 socket head cap screw is engineered from black-oxide alloy steel to address critical challenges in demanding sectors like machinery, automotive, and heavy equipment. Its Class 12.9 strength rating and fully threaded metric design provide robust clamping force and vibration resistance, preventing loosening in dynamic loads. The coarse thread pitch (1.75mm) ensures rapid assembly and reliable performance in soft or brittle materials, while the hex drive style facilitates access in confined spaces. Ideal for high-stress industrial fasteners applications, it combines durability with precision to reduce downtime and enhance operational safety.

Specification Summary & Compliance

This product features a Class 5g6g thread fit per ISO standards, ensuring precise tolerances for consistent performance. It meets DIN 912 and ISO 4762 specifications for dimensional accuracy and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable industrial use.