S-97478A181 M27 x 90 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance from hot-dipped galvanized steel coating extends service life in harsh environments, minimizing maintenance and replacement costs.
• High hardness rating (Rockwell C32) provides excellent wear resistance and durability under repetitive loads and vibrations.
• Class 10.9 strength grade guarantees consistent mechanical properties for critical structural and machinery assemblies.
• Partially threaded design allows for precise clamping force control and secure fastening in variable material thicknesses.
• External hex drive and hex head facilitate easy installation and removal with standard tools, improving assembly efficiency.
• Compliance with DIN 6914/ISO 7412 standards ensures dimensional accuracy and interchangeability in global engineering projects.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M27 hex head screws deliver outstanding performance in construction, machinery, and structural steel connections. The hot-dipped galvanized steel construction provides a robust barrier against moisture, chemicals, and UV exposure, addressing common corrosion issues in outdoor and aggressive environments. With a coarse metric thread (M27x3) and Class 6g thread fit, these screws offer superior grip and vibration resistance, preventing loosening in dynamic loads. The partially threaded configuration ensures optimal stress distribution, making them ideal for bolted joints requiring high clamp loads. By integrating Class 10.9 strength and standardized dimensions, these fasteners reduce assembly time and enhance structural integrity in demanding sectors like bridge construction, industrial equipment, and renewable energy installations.

Specification Summary & Compliance

This hex head screw features precise metric coarse threading (M27x3) with Class 6g tolerance for consistent fit and performance. Manufactured in accordance with DIN 6914 and ISO 7412 specifications, it guarantees dimensional accuracy and mechanical reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for global supply chains.