S-91180A751 M12 x 40 mm ISO 8676, DIN 961 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Superior corrosion resistance with zinc plating extends service life and maintains integrity in harsh industrial environments.
• Precision fine threading (M12 x 1.5mm) provides a secure, vibration-resistant fit, minimizing loosening over time.
• High-grade Class 8.8 steel construction offers excellent durability and Rockwell C21 hardness for repeated use without deformation.
• Fully threaded design allows for maximum grip and uniform load distribution across the entire fastener length.
• External hex drive and hex head enable easy installation and removal with standard tools, improving assembly efficiency.
• Compliance with ISO 8676, RoHS 3, and REACH ensures adherence to international quality and environmental standards, supporting sustainable procurement.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M12 hex head screw addresses common challenges like vibration-induced loosening and corrosion in machinery, construction, and automotive assemblies. The Class 8.8 steel and fine metric threading deliver high clamping force and fatigue resistance, critical for structural integrity. With a zinc-plated finish, it combats moisture and chemical exposure, reducing maintenance needs. The fully threaded design ensures consistent engagement, making it ideal for securing components in dynamic environments where reliability is paramount.

Specification Summary & Compliance

This fastener features M12 x 1.5mm fine threads with a Class 6h thread fit for precise tolerance, adhering to ISO 8676 and DIN 961 standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory alignment for global industrial use.