S-97478A185 M27 x 130 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 reliability in harsh industrial environments.
• High tensile strength of 150,000 psi and Class 10.9 grade for superior load-bearing capacity in heavy-duty applications.
• Optimized thread design with M27x3mm coarse pitch and Class 6g fit, enabling quick assembly and secure fastening.
• Durable external hex drive and hex head design for easy installation and high torque application with standard tools.
• Partially threaded shank with 91mm grip length, providing precise clamping force distribution and vibration resistance.
• Rockwell C32 hardness for excellent wear resistance and durability under repetitive stress.
• Compliance with DIN 6914/ISO 7412 standards, ensuring consistent quality and interchangeability in global projects.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these M27 hex head screws deliver reliable performance in structural steel connections, heavy machinery, and infrastructure projects. The hot-dipped galvanized steel construction provides a robust barrier against moisture, chemicals, and UV exposure, significantly extending service life in outdoor or corrosive environments. With a Class 10.9 strength grade and coarse metric thread, they offer high clamp load retention and resistance to loosening under dynamic loads. The partially threaded design ensures that unthreaded sections bear against joined materials, minimizing thread damage and maintaining joint integrity. Ideal for applications requiring high-strength fasteners with consistent external hex drive compatibility, these screws reduce installation time and enhance safety in construction, manufacturing, and transportation equipment.

Specification Summary & Compliance

This hex head screw features precise M27x3mm coarse threads with Class 6g thread fit tolerance, ensuring accurate engagement and reliable performance. Manufactured in accordance with DIN 6914 and ISO 7412 specifications, it guarantees dimensional consistency and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmental and workplace safety standards.