S-97478A102 M12 x 35 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with hot-dipped galvanized steel coating, ensuring long-term durability in harsh industrial environments
• High tensile strength of 150,000 psi and Class 10.9 rating for reliable performance in demanding structural applications
• Optimized load distribution with partial threading and 14 mm grip length, reducing stress concentration and improving joint integrity
• Secure fastening with coarse 1.75 mm pitch, enabling quick installation and vibration resistance in heavy machinery
• Precise Class 6g thread fit for consistent engagement and reduced risk of cross-threading during assembly
• Compliance with DIN 6914/ISO 7412 standards, guaranteeing dimensional accuracy and interchangeability in metric systems
• RoHS 3 and REACH compliant for environmentally responsible sourcing and use in regulated industries

Professional Applications & Engineering Value

These M12 hex head screws are engineered to address critical challenges in heavy-duty industrial applications, including construction frameworks, machinery assembly, and infrastructure projects. The hot-dipped galvanized steel coating provides a robust barrier against moisture, chemicals, and UV exposure, significantly extending service life in outdoor or corrosive settings. With a Rockwell C32 hardness and 150,000 psi tensile strength, they maintain structural integrity under high dynamic loads and vibrations. The external hex drive and coarse thread design facilitate efficient installation with standard tools, reducing assembly time while the partial threading ensures optimal clamp load distribution. Meeting DIN 6914 and ISO 7412 specifications, these screws deliver reliable performance in metric-based engineering systems, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This fastener features a Class 6g thread fit per ISO metric standards, ensuring precise dimensional tolerance for consistent performance. Manufacturing adheres to DIN 6914 (equivalent to ISO 7412) for hex head screw geometry, thread profile, and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. With a 35 mm length, 21 mm head width, and right-hand thread direction, it is designed for seamless integration into industrial assemblies requiring high-strength, corrosion-resistant metric fasteners.