S-97478A114 M16 x 40 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 construction, ideal for harsh industrial environments.
• Superior load-bearing capacity from Class 10.9 high tensile strength (150,000 psi) for demanding structural applications.
• Reliable thread engagement with M16 coarse thread (2 mm pitch) and Class 6g fit, ensuring easy assembly and vibration resistance.
• Optimized clamping force through a 14 mm grip length and partially threaded design for secure joint integrity.
• High durability and wear resistance backed by Rockwell C32 hardness, extending service life under stress.
• Standardized dimensions and drive with hex head (27 mm width) and external hex drive, compatible with common tools.
• Compliance with international standards including DIN 6914/ISO 7412, RoHS 3, and REACH for global project suitability.

Professional Applications & Engineering Value

This M16 hex head screw is engineered for heavy-duty industrial applications where reliability is paramount. The hot-dipped galvanized steel material provides a robust barrier against corrosion, making it ideal for outdoor machinery, construction frameworks, and marine equipment exposed to moisture and chemicals. With a Class 10.9 strength grade and 150,000 psi tensile strength, it handles high-stress loads in structural bolting, automotive assemblies, and infrastructure projects. The partially threaded design and coarse metric thread (2 mm pitch) ensure quick installation and resistance to loosening under vibration, while the external hex drive allows for efficient torque application with standard wrenches. By meeting DIN 6914/ISO 7412 standards, it guarantees dimensional accuracy and performance consistency, reducing downtime and maintenance costs in professional settings.

Specification Summary & Compliance

This fastener features precise metric thread specifications with M16 size, 2 mm coarse pitch, and Class 6g thread fit for reliable tolerance control. It adheres to DIN 6914 and ISO 7412 manufacturing standards, ensuring consistent quality and interchangeability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms its environmental safety and suitability for regulated industries, supporting sustainable procurement practices.