S-93474A215 M8 x 16 mm ISO 898-1, DIN 6921 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity – Class 10.9 tensile strength (150,000 PSI) ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior Corrosion Resistance – Zinc yellow-chromate plating provides a durable protective layer, extending service life in harsh or outdoor industrial environments.
• Enhanced Stability and Distribution – Integrated flange design eliminates the need for a separate washer, offering improved load distribution and preventing surface damage during tightening.
• Precise and Secure Fastening – Class 6g thread fit with coarse M8x1.25mm threading ensures easy installation and consistent clamping force, minimizing loosening from vibrations.
• High Durability and Wear Resistance – Rockwell C32 hardness guarantees excellent resistance to deformation and wear, maintaining integrity through repeated use.
• Broad Industrial Compatibility – Fully threaded design and external hex drive allow for versatile use across various assemblies, streamlining inventory and installation processes.
• Regulatory and Quality Assurance – Compliance with ISO 898-1 DIN 6921 and REACH standards ensures product safety, environmental responsibility, and global acceptance.

Professional Applications & Engineering Value

This M8 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, where vibration, high loads, and corrosive elements can compromise fastener integrity. The Class 10.9 high tensile strength and Rockwell C32 hardness provide a robust solution for machinery, automotive frames, and structural assemblies, preventing stripping and fatigue failures. The zinc yellow-chromate plating on steel offers enhanced corrosion resistance, ideal for outdoor equipment or humid environments. With a coarse thread pitch of 1.25mm and fully threaded flanged design, it ensures quick installation, uniform stress distribution, and reduced maintenance, delivering long-term reliability and cost efficiency in engineering projects.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including Class 6g thread fit for metric coarse threading (M8x1.25mm) and compliance with ISO 898-1 DIN 6921 manufacturing specifications. It meets REACH (EC 1907/2006) regulatory requirements, ensuring no use of restricted substances, and is suitable for applications demanding high mechanical properties and environmental safety.