S-4379N12 M20 DIN 934 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with Class 10 strength grade for reliable performance in high-stress industrial environments
- Superior thread engagement and vibration resistance due to extra fine 1.5 mm pitch and Class 6H thread fit
- Enhanced durability and corrosion resistance provided by high-quality steel construction
- Easy installation and removal with standard external hex drive and 30mm width for optimal tool access
- Guaranteed dimensional accuracy through compliance with DIN 934 manufacturing standards
- Safe for sensitive applications with full REACH and RoHS 3 environmental compliance
- Broad compatibility with metric M20 threaded components in right-hand threaded assemblies
Professional Applications & Engineering Value
This Class 10 steel hex nut delivers critical engineering advantages in demanding applications where vibration resistance and structural integrity are paramount. The M20 x 1.5 mm extra fine metric thread with Class 6H fit provides superior clamping force distribution and prevents loosening under dynamic loads, making it ideal for heavy machinery, structural steel connections, and precision equipment assembly. Manufactured to DIN 934 specifications, this 30mm hex nut ensures consistent performance in automotive, construction, and industrial manufacturing sectors where metric fasteners are specified. The external hex drive design allows for high-torque installation using standard tools, reducing assembly time while maintaining secure connections in critical joints.
Specification Summary & Compliance
This metric hex nut features M20 x 1.5 mm extra fine threads with Class 6H thread fit tolerance according to ISO standards. Manufactured to DIN 934 specifications with standard hex profile measuring 30mm across flats and 16mm height. The fastener meets Class 10 strength grade requirements and is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across various industrial applications.
