S-92820A645 M12 x 40 mm High-Strength Metric Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments.
• Superior vibration resistance provided by serrated locking flange, preventing loosening under dynamic loads.
• High tensile strength of 130,000 psi ensures reliable performance in heavy-duty applications.
• Precision Class 6g thread fit guarantees consistent engagement and reduces assembly issues.
• External hex drive design allows for easy installation with standard tools, improving efficiency.
• Fully threaded shank offers maximum grip along the entire length for secure fastening.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance.

Professional Applications & Engineering Value

Engineered for industrial applications requiring durability and precision, this M12 hex head screw with black-oxide steel construction and Rockwell C27 hardness resists wear and corrosion in harsh conditions. The serrated locking flange eliminates the need for additional washers, providing a secure, vibration-resistant fit that prevents joint failure in machinery, automotive assemblies, and structural frameworks. Its fully threaded metric coarse thread (1.75 mm pitch) ensures quick, reliable fastening with a Class 6g thread fit, reducing installation time and maintenance costs while meeting rigorous industry standards.

Specification Summary & Compliance

This screw adheres to metric coarse thread standards with precise Class 6g thread fit for consistent performance. Dimensions include a 40 mm length, M12 thread size, 1.75 mm pitch, and 24 mm flange diameter. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.