S-91290A124 M3 x 22 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 demanding applications.
• Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise torque transmission enabled by the 2.5 mm hex socket drive, reducing tool slippage and installation damage.
• Wide compatibility with M3 coarse threading (0.5 mm pitch) and Class 5g6g thread fit, ensuring easy assembly and interchangeability.
• Maximum thread engagement through fully threaded 22 mm length design, delivering superior holding power across the entire fastener.
• Consistent quality assurance meeting DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties.
• Environmental compliance with RoHS 3 and REACH regulations, making them suitable for regulated industries and international markets.

Professional Applications & Engineering Value

These M3 socket head cap screws deliver critical engineering solutions where high-strength fastening is paramount. The black-oxide alloy steel construction provides excellent resistance to corrosion and wear, making them ideal for industrial machinery, automotive assemblies, and precision equipment exposed to demanding conditions. The fully threaded metric design with coarse 0.5 mm pitch ensures rapid installation and maximum clamping force distribution. With their Class 12.9 strength rating and Rockwell C37 hardness, these socket head screws prevent joint failure under extreme vibration and dynamic loads, while the standardized DIN 912/ISO 4762 dimensions guarantee perfect fit in existing tooling and designs.

Specification Summary & Compliance

This socket head cap screw features M3 x 0.5 mm coarse threading with Class 5g6g thread fit tolerance ensuring precise engagement. Manufactured to DIN 912/ISO 4762 standards for dimensional accuracy, including 5.5 mm head diameter, 3 mm head height, and 22 mm fully threaded length. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial applications requiring restricted substance compliance.