S-91239A758 M2.5 x 12 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Class 10.9 strength rating and 140,000 psi tensile strength ensure reliable performance under high-stress conditions, reducing failure risks.
• Superior Corrosion Resistance: Black-oxide coating on alloy steel provides enhanced protection against rust and wear in harsh industrial environments.
• Secure and Efficient Fastening: Coarse 0.45 mm thread pitch with Class 6g fit offers quick assembly and strong holding power, minimizing loosening.
• Easy Installation with Standard Tools: Hex drive (1.5 mm) and rounded button head design allow for straightforward tightening using common hex keys.
• Full Thread Engagement: Fully threaded shank ensures maximum grip and uniform load distribution across the entire length.
• Consistent Quality and Compliance: Manufactured to ISO 7380 standards with RoHS 3 and REACH compliance for safe, reliable use in regulated industries.
• Optimized for Metric Applications: M2.5 thread size and 12 mm length make it ideal for precision equipment and machinery requiring metric fasteners.

Professional Applications & Engineering Value

This M2.5x12mm Class 10.9 black-oxide alloy steel screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding settings. The fully threaded coarse pitch (0.45 mm) and Class 6g fit provide excellent resistance to shock and dynamic loads, making it suitable for automotive assemblies, electronic enclosures, and heavy machinery. The black-oxide surface treatment enhances longevity by preventing oxidation without compromising the high tensile strength of the alloy steel core. By adhering to ISO 7380 specifications, this rounded head hex screw ensures dimensional accuracy and compatibility with global engineering standards, streamlining procurement and maintenance processes.

Specification Summary & Compliance

This fastener features precise metric threading (M2.5x0.45 mm) with a Class 6g tolerance for consistent fit and performance. It meets ISO 7380 manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The Class 10.9 strength grade and Rockwell C32 hardness validate its reliability for high-demand applications.