S-91290A169 M7 x 50 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability and strength with Class 12.9 alloy steel, offering a tensile strength of 170,000 psi for reliable performance in high-stress applications.
• Superior corrosion resistance thanks to the black-oxide coating, extending service life in harsh industrial environments.
• Precise and secure fastening with a 6 mm hex drive and standard socket head profile, ensuring easy installation and reduced risk of stripping.
• Optimized thread engagement through Class 5g6g thread fit and coarse 1 mm pitch, providing quick assembly and vibration resistance.
• Versatile partial threading on a 50 mm length, allowing for adjustable clamping force and simplified alignment in machinery.
• High hardness rating of Rockwell C37, minimizing wear and deformation under heavy loads for long-term reliability.
• Compliance with international standards including DIN 912/ISO 4762, ensuring consistent quality and interchangeability in global projects.

Professional Applications & Engineering Value

This M7 socket head cap screw is engineered to address critical challenges in industrial assemblies, such as vibration loosening and corrosion-induced failure. The black-oxide alloy steel construction provides a robust barrier against moisture and chemicals, ideal for automotive, aerospace, and heavy machinery sectors where environmental exposure is common. With a coarse metric thread and Class 12.9 strength, it ensures rapid installation and maintains clamp load in dynamic applications, reducing maintenance downtime. The partially threaded design offers flexibility for precise joint control, while the hex socket drive enables high-torque application without slippage, enhancing overall assembly integrity and safety in demanding engineering environments.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including Class 5g6g thread fit for metric coarse threads, and is manufactured in compliance with DIN 912 and ISO 4762 standards for socket head cap screws. It meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and material sustainability. The specifications cover a 50 mm length with a minimum thread length of 26 mm, supporting reliable performance in standardized industrial applications.