S-91180A752 M12 x 50 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, preventing fastener failure under high stress.
• Superior corrosion resistance from the zinc plating extends service life, reducing maintenance needs and replacement costs in harsh environments.
• High hardness rating (Rockwell C21) provides excellent wear resistance, maintaining thread integrity and drive engagement through repeated use.
• Precision fine threading (M12 x 1.5mm) offers superior clamping force and vibration resistance compared to coarse threads, ideal for dynamic loads.
• Full threading along the 50mm length allows for maximum adjustability and contact area, ensuring secure fastening in various material thicknesses.
• External hex drive design facilitates easy installation and removal with standard tools, improving assembly efficiency and reducing labor time.
• Compliance with international standards (ISO 8676/DIN 961) guarantees dimensional accuracy and interchangeability, ensuring project specification adherence.

Professional Applications & Engineering Value

This M12 hex head screw is engineered to address critical challenges in heavy-duty industrial applications where vibration, high loads, and environmental exposure are common. The Class 8.8 steel construction provides a robust core that resists deformation, while the zinc plating offers a protective barrier against corrosion, significantly enhancing durability in outdoor or chemically aggressive settings. The fully threaded design with a fine pitch ensures a tight, secure fit that minimizes loosening under dynamic stresses, making it ideal for machinery, structural assemblies, and equipment manufacturing. By combining high tensile strength with precise metric threading, this fastener delivers reliable, long-term performance that reduces downtime and maintenance costs for engineering teams.

Specification Summary & Compliance

This screw features a metric M12 x 1.5mm thread with a Class 6h thread fit for precise engagement and assembly. It conforms to ISO 8676 (DIN 961) manufacturing standards, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global supply chains.