S-91290A574 M4 x 85 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, ideal for high-stress industrial applications.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh environments.
• Precise and reliable fastening with Class 5g6g thread fit and coarse thread pitch, ensuring easy assembly and vibration resistance.
• High torque capability from the hex socket drive and standard socket head profile, allowing secure installation in confined spaces.
• Optimized for heavy-duty use with Rockwell C37 hardness and partially threaded design, providing strong clamping force and reduced weight.
• Global compliance and safety meeting DIN 912/ISO 4762 standards, RoHS 3, and REACH regulations for reliable, eco-friendly performance.
• Versatile metric sizing with M4 x 0.7mm thread and 85mm length, offering broad compatibility in machinery and equipment.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these Class 12.9 socket head cap screws deliver unmatched reliability in applications such as heavy machinery, automotive assemblies, and precision equipment. The black-oxide alloy steel construction provides excellent corrosion resistance, reducing maintenance needs and downtime in humid or corrosive settings. With a coarse thread and Class 5g6g thread fit, these screws ensure quick, secure installation and superior vibration resistance, preventing loosening under dynamic loads. The hex socket drive allows for high torque application in tight spaces, making them ideal for high-strength fastening where precision and durability are critical. By adhering to DIN 912/ISO 4762 standards, they guarantee consistent performance and interchangeability in global engineering projects.

Specification Summary & Compliance

This product features precise Class 5g6g thread tolerance for accurate fit and reliable performance in metric assemblies. It complies with DIN 912/ISO 4762 manufacturing specifications, ensuring dimensional consistency and high quality. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmental safety and regulatory adherence in industrial applications.