S-91290A122 M8 x 240 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 PSI tensile strength, ensuring reliable performance in high-stress applications.
• Superior corrosion resistance due to the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
• Precise and secure fastening with a 6mm hex drive and standard socket head profile, allowing for easy installation and high torque transmission.
• Optimized thread engagement featuring a coarse M8 x 1.25mm thread and Class 5g6g fit, providing strong holding power and vibration resistance.
• Versatile partial threading with a 28mm minimum thread length, ideal for applications requiring adjustable clamping force.
• Compliance with international standards including DIN 912, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.
• High hardness of Rockwell C37 for excellent wear resistance, maintaining integrity under repeated use and heavy loads.

Professional Applications & Engineering Value

This M8 socket head cap screw is engineered to address critical challenges in industrial and mechanical assemblies. Made from black-oxide alloy steel, it offers superior resistance to rust and wear, making it ideal for harsh conditions like machinery, automotive, and construction equipment. The coarse metric thread (M8 x 1.25mm) and Class 5g6g thread fit ensure quick assembly and reliable grip, reducing the risk of loosening due to vibrations. With a partially threaded design and 240mm length, it provides flexibility for precise adjustments in heavy-duty frameworks, while the hex drive allows for efficient installation in confined spaces. This screw delivers consistent performance, minimizing downtime and maintenance costs in professional settings.

Specification Summary & Compliance

This product adheres to precise dimensional and performance standards, including a Class 5g6g thread fit per metric specifications and DIN 912 for design consistency. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and safe for various industrial applications. The screw's manufacturing follows strict guidelines for thread pitch (1.25mm coarse) and strength class (12.9), guaranteeing reliability and interoperability in global engineering projects.