S-91502A157 M5 x 80 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, minimizing failure risks
• Class 12.9 alloy steel construction provides superior durability and fatigue resistance for extended service life
• Blue-dyed zinc plating offers enhanced corrosion resistance and easy visual identification in industrial environments
• 4mm hex socket drive enables secure tool engagement and high torque application without stripping
• Partially threaded design with 22mm minimum thread length allows precise clamping force control and reduces material stress
• Coarse M5 x 0.8mm thread pitch facilitates quick assembly and disassembly while maintaining strong holding power
• DIN 912/ISO 4762 compliance guarantees dimensional accuracy and interchangeability with global metric standards

Professional Applications & Engineering Value

These high-strength socket head cap screws are engineered to solve critical fastening challenges in demanding industrial environments. The Class 12.9 alloy steel construction combined with Rockwell C37 hardness provides exceptional resistance to vibration loosening and mechanical stress, making them ideal for machinery, automotive assemblies, and heavy equipment where reliability is paramount. The blue-dyed zinc-plated surface treatment not only enhances corrosion protection but also enables quick visual inspection in complex assemblies. With their 4mm hex drive and coarse metric threads, these screws deliver efficient installation in tight spaces while maintaining the high clamping forces required for structural applications. The partially threaded configuration ensures optimal stress distribution, preventing thread damage in repeated assembly operations.

Specification Summary & Compliance

This M5 socket head cap screw features precise Class 5g6g thread fit tolerance according to DIN 912/ISO 4762 standards, ensuring consistent performance and interchangeability. The manufacturing process adheres to strict quality controls with dimensional specifications including 8.5mm head diameter, 5mm head height, and 80mm total length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring certified components.