S-91290A042 M18 x 65 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Strength: Class 12.9 rating and 170,000 psi tensile strength ensure reliable performance in the most demanding high-stress applications.
• Superior Durability: Rockwell C37 hardness provides excellent resistance to wear and deformation, extending the service life of your assemblies.
• Enhanced Corrosion Resistance: Black-oxide coating on alloy steel offers improved protection against rust in challenging industrial environments.
• Precise & Secure Fastening: Class 5g6g thread fit and M18x2.5mm coarse thread profile enable easy assembly and a reliable, vibration-resistant hold.
• Standardized Design: Compliance with DIN 912/ISO 4762 ensures dimensional accuracy and interchangeability with other standard components.
• Optimal Drive Engagement: Standard hex socket head with a 14 mm drive allows for high torque application and secure installation in confined spaces.
• Regulatory Compliance: Meets RoHS 3 and REACH regulations, making it suitable for use in environmentally conscious and restricted applications.

Professional Applications & Engineering Value

This M18 socket head cap screw is engineered to solve critical fastening challenges in heavy machinery, automotive, and construction equipment. The black-oxide alloy steel construction combats corrosion, while the Class 12.9 strength rating (170,000 psi tensile strength) prevents joint failure under extreme loads and vibrations. The fully threaded design with a coarse thread pitch ensures rapid assembly and high clamp force in thick materials. Its hex socket drive is ideal for applications where space is limited, providing a flush profile and reducing the risk of stripping. By adhering to DIN 912/ISO 4762 standards, it guarantees precision fit and long-term reliability, making it a trusted choice for engineers seeking to enhance the integrity of their high-stress assemblies.

Specification Summary & Compliance

This metric fastener features an M18 thread size with a 2.5mm coarse pitch and a Class 5g6g thread fit, ensuring dimensional accuracy per ISO standards. The manufacturing and material specifications strictly comply with DIN 912 (identical to ISO 4762) for socket head cap screws. The product is fully compliant with RoHS 3 (Directive 2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in markets with strict environmental and safety requirements.