S-91290A461 M8 x 75 mm DIN 912, ISO 4762 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 under high-stress industrial conditions.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh environments.
• Precise and secure fastening with a 6mm hex drive and standard socket head, allowing for easy installation and high torque application without slippage.
• Optimized thread design featuring M8 coarse thread (1.25mm pitch) and Class 5g6g fit, providing excellent grip and vibration resistance in various materials.
• Versatile partial threading with 28mm minimum thread length, offering flexibility for applications requiring unthreaded shank sections.
• Global compliance and safety meeting DIN 912/ISO 4762 standards, RoHS 3, and REACH regulations, ensuring quality and environmental responsibility.
• Consistent hardness and reliability with Rockwell C37 hardness, maintaining dimensional stability and wear resistance over time.

Professional Applications & Engineering Value

This M8 socket head cap screw is engineered to address critical challenges in industrial fastening, where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction combats rust and wear, making it ideal for machinery, automotive assemblies, and heavy equipment exposed to moisture or chemicals. Its coarse thread (1.25mm pitch) and Class 5g6g thread fit ensure quick installation and robust holding power, reducing the risk of loosening under vibration. The partially threaded design allows for precise clamping in structures requiring unthreaded engagement, while the hex drive facilitates efficient torque application in confined spaces. By adhering to DIN 912/ISO 4762 specifications, this screw delivers consistent performance, minimizing downtime and maintenance costs in demanding engineering applications.

Specification Summary & Compliance

This product features precise Class 5g6g thread fit per metric standards, ensuring dimensional accuracy for reliable assembly. It conforms to DIN 912 (identical to ISO 4762) for socket head cap screws, guaranteeing uniform manufacturing quality. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms its adherence to environmental and safety standards, free from hazardous substances. The Class 12.9 strength rating and material properties align with industrial requirements for high-stress applications.