S-97478A135 M20 x 60 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from hot-dipped galvanized steel coating, ideal for harsh industrial environments
- Superior load-bearing capacity with 150,000 psi tensile strength for heavy-duty structural applications
- Reliable mechanical performance ensured by Class 10.9 strength grade and Rockwell C32 hardness
- Optimized fastening control through partially threaded design with precise 29mm grip length
- Easy installation and removal with standard 32mm external hex head for common tool compatibility
- Secure thread engagement with Class 6g fit metric coarse threads (M20x2.5) preventing loosening under vibration
- International compliance assurance meeting DIN 6914/ISO 7412 specifications for global project requirements
Professional Applications & Engineering Value
Engineered for demanding structural connections, these Class 10.9 hex head screws deliver critical performance where failure isn't an option. The hot-dipped galvanized steel construction provides superior protection against rust and corrosion in outdoor installations, chemical processing plants, and marine applications. With 150,000 psi tensile strength and Rockwell C32 hardness, these metric coarse thread fasteners maintain integrity under extreme vibration and dynamic loading conditions. The partially threaded design concentrates clamping force precisely where needed, while the external hex drive ensures reliable torque transmission during installation. These M20x2.5 screws are specifically engineered for heavy machinery, structural steel connections, and industrial equipment where long-term reliability and corrosion resistance are paramount.
Specification Summary & Compliance
This M20 hex head screw features Class 6g thread fit tolerance with 2.5mm coarse pitch threading and 60mm total length. Manufactured to DIN 6914/ISO 7412 specifications for dimensional accuracy and performance consistency. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The hot-dipped galvanized surface treatment provides consistent corrosion protection while maintaining the Class 10.9 mechanical properties required for critical applications.
