S-91239A752 M2.5 x 3 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength grade, supporting high-stress applications and reducing fastener failure risks.
• Superior corrosion resistance from black-oxide alloy steel coating, extending service life in harsh industrial environments.
• Reliable torque transmission via 1.5 mm hex drive, ensuring secure installation and minimizing tool slippage.
• Optimized thread engagement with coarse M2.5 x 0.45 mm threads and Class 6g fit, providing quick assembly and vibration resistance.
• High tensile strength rated at 140,000 psi, offering robust performance for critical mechanical assemblies.
• Space-saving rounded button head design with low 1.5 mm profile, ideal for compact spaces without compromising on grip.
• Full threading along the 3 mm length ensures maximum holding power and uniform load distribution.

Professional Applications & Engineering Value

This M2.5 metric screw with a black-oxide finish on alloy steel addresses common industrial challenges like corrosion and mechanical stress. The Class 10.9 strength and Rockwell C32 hardness make it suitable for high-load scenarios in automotive, electronics, and machinery, where vibration resistance and longevity are critical. Its coarse thread pitch and fully threaded design enable faster installation and secure fastening in materials prone to stripping, reducing assembly time and maintenance costs. The rounded head with hex drive simplifies access in tight spaces, enhancing efficiency in production lines.

Specification Summary & Compliance

This screw adheres to ISO 7380 standards with precise Class 6g thread fit and metric coarse threading. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory alignment for global industrial use.