S-91304A126 M5 x 25 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength rating and 120,000 psi tensile strength for reliable performance in high-stress applications.
• Superior corrosion resistance from blue-dyed zinc plating, extending service life in demanding industrial environments.
• Secure and precise installation with 3 mm hex drive and standard flat head profile, ensuring flush mounting and reduced risk of stripping.
• Optimized thread engagement through M5 coarse threading (0.8 mm pitch) and Class 6g fit, facilitating quick assembly and strong holding power.
• Full-length threading for maximum grip across the entire 25 mm length, enhancing load distribution and joint integrity.
• High hardness at Rockwell C32, providing excellent wear resistance and maintaining fastener integrity under repeated use.
• Broad compatibility with DIN 7991/ISO 10642 standards, ensuring consistent quality and interchangeability in metric-based systems.

Professional Applications & Engineering Value

This M5 flat head screw is engineered to address critical challenges in industrial assembly, where vibration resistance, precise alignment, and long-term reliability are paramount. The blue-dyed zinc-plated alloy steel construction offers enhanced corrosion protection, ideal for machinery, automotive components, and electronic enclosures exposed to harsh conditions. Its fully threaded design and coarse metric thread ensure rapid installation and robust clamping force, reducing the risk of loosening in dynamic applications. The 90° countersink angle allows for a seamless finish, minimizing protrusions and improving safety. By meeting DIN 7991/ISO 10642 specifications, it delivers consistent performance in high-strength fastening tasks, supporting efficient production and maintenance workflows.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances, including Class 6g thread fit for metric coarse threads (M5 x 0.8 mm) and a standard flat head profile. It is manufactured in compliance with DIN 7991/ISO 10642 standards, ensuring uniformity and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.