S-97478A191 M30 x 80 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 from hot-dipped galvanized steel coating, ensuring long-term reliability in harsh environments
• Superior tensile strength rated at 150,000 psi with Class 10.9 grade, providing reliable performance under heavy loads
• Optimized thread engagement with Class 6g fit and coarse 3.5 mm pitch for faster installation and reduced cross-threading risk
• Enhanced drive stability through 50 mm external hex head design, allowing high torque application without slippage
• Precise length control with 80 mm total length and 40 mm threaded portion, ensuring proper clamping in structural applications
• Consistent hardness performance at Rockwell C32, maintaining structural integrity through repeated stress cycles
• Global compliance assurance meeting DIN 6914/ISO 7412 specifications plus RoHS 3 and REACH environmental standards

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M30 hex head screws deliver critical performance where structural integrity matters most. The hot-dipped galvanized steel construction provides exceptional protection against corrosion in outdoor infrastructure, chemical processing equipment, and marine environments. With partial threading and 40 mm grip length, these fasteners prevent joint loosening under vibration while concentrating clamping force precisely where needed. The Class 10.9 strength rating and 150,000 psi tensile strength make them ideal for structural steel connections, heavy machinery assembly, and load-bearing frameworks where failure isn't an option. The coarse metric thread with 3.5 mm pitch ensures rapid installation in field conditions while maintaining DIN 6914/ISO 7412 dimensional precision.

Specification Summary & Compliance

This M30 hex head screw features Class 6g thread tolerance with 3.5 mm coarse pitch threading and 40 mm thread length on an 80 mm overall fastener. Manufactured to DIN 6914 where identical to ISO 7412 specifications, ensuring international compatibility. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, verified against the latest SVHC list (01/17/2023). The hot-dipped galvanized steel construction meets Class 10.9 strength requirements with Rockwell C32 hardness and 150,000 psi tensile strength certification.