S-91304A163 M10 x 25 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability and reliability with Class 10.9 high tensile strength (120,000 psi), ensuring secure fastening in demanding industrial applications.
• Superior corrosion resistance provided by the blue-dyed zinc plating on alloy steel, extending service life in harsh environments.
• Optimized for high-stress applications thanks to Rockwell C32 hardness, maintaining structural integrity under heavy loads.
• Easy and secure installation with a 6mm hex drive and fully threaded M10 coarse thread (1.5mm pitch), reducing assembly time and preventing stripping.
• Flush, professional finish achieved with a standard 90° countersink angle flat head, ideal for applications requiring a smooth surface.
• Guaranteed dimensional accuracy with Class 6g thread fit and compliance with DIN 7991/ISO 10642 standards, ensuring consistent performance and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for safe use.

Professional Applications & Engineering Value

Engineered for precision and endurance, these M10 flat head screws are crafted from blue zinc-plated alloy steel to combat corrosion in challenging settings like machinery, automotive assemblies, and structural frameworks. The Class 10.9 strength grade and coarse thread with 1.5mm pitch deliver high clamp load retention, preventing loosening under vibration—a common industrial pain point. The fully threaded design and hex drive enable quick, torque-efficient installation, while the flat head with 90° countersink ensures a seamless fit, reducing protrusion risks. Ideal for industrial fastening where reliability and regulatory adherence are paramount, these screws offer a robust solution for OEMs and maintenance teams seeking long-term performance.

Specification Summary & Compliance

This metric flat head screw features precise dimensions: M10 thread size with 1.5mm pitch, 25mm length, and Class 6g thread fit for accurate mating. Manufactured to DIN 7991 / ISO 10642 specifications, it guarantees dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global supply chains.