S-91290A276 M5 x 80 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through black-oxide coating on alloy steel, extending service life in demanding environments
• Precise torque transmission via 4mm hex drive socket head design, preventing tool slippage and ensuring secure fastening
• Optimized thread engagement with Class 5g6g thread fit and coarse 0.8mm pitch for faster assembly and reduced cross-threading risk
• Versatile partial threading (22mm min thread length on 80mm shaft) providing both threaded and unthreaded sections for flexible mounting solutions
• Industry-standard compliance with DIN 912/ISO 4762 specifications ensuring consistent quality and interchangeability
• Enhanced hardness at Rockwell C37 for superior wear resistance and maintained performance under repeated use

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M5 socket head cap screws deliver critical performance advantages where failure is not an option. The black-oxide alloy steel construction provides essential corrosion protection in manufacturing facilities, automotive assemblies, and heavy machinery where exposure to moisture and chemicals is common. The Class 12.9 strength rating combined with 170,000 psi tensile strength ensures these fasteners maintain integrity under extreme vibration and dynamic loads. The partially threaded design allows for precise clamping force distribution, making them ideal for securing components with varying thicknesses in industrial automation equipment, precision machinery, and structural frameworks. The standardized DIN 912/ISO 4762 profile guarantees compatibility with existing tooling and replacement protocols, streamlining maintenance operations.

Specification Summary & Compliance

This metric socket head cap screw features precise M5 x 0.8mm coarse threading with Class 5g6g thread fit tolerance for consistent engagement. Manufacturing adheres to DIN 912/ISO 4762 standards for dimensional accuracy and performance reliability. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. With a minimum thread length of 22mm on an 80mm overall length, the partially threaded configuration provides engineering flexibility while maintaining the high-strength characteristics required for critical fastening applications.