S-91280A192 M20 x 130 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Hex Head Screws
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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
- Superior corrosion resistance with zinc plating for extended service life in harsh industrial environments
- Exceptional load-bearing capacity with Class 8.8 steel construction and 110,000 psi tensile strength
- Reliable thread engagement with Class 6h thread fit ensuring precise, vibration-resistant connections
- Easy installation and removal with external hex drive design providing maximum torque transmission
- Optimized weight distribution through partial threading for balanced strength and material efficiency
- Enhanced durability with Rockwell C21 hardness maintaining structural integrity under stress
- Global compatibility with ISO 4014/DIN 931 standards for seamless integration in international projects
Professional Applications & Engineering Value
This M20 hex head screw delivers critical engineering solutions for heavy-duty applications where failure is not an option. The Class 8.8 steel construction provides exceptional structural integrity for machinery assembly, structural steel connections, and industrial equipment manufacturing. The zinc plated finish actively combats corrosion in challenging environments, from manufacturing facilities to outdoor installations. With its coarse thread pitch and partial threading design, this fastener offers superior resistance to vibration loosening while optimizing clamp load distribution. The external hex drive ensures maximum torque application during installation, making it ideal for high-stress applications in construction, automotive, and heavy equipment industries where reliability and durability are paramount.
Specification Summary & Compliance
This metric hex head screw features precise Class 6h thread fit tolerance and M20 x 2.5mm coarse thread specifications meeting ISO 4014/DIN 931 manufacturing standards. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial applications. With dimensions of 130mm length, 30mm head width, and 12.5mm head height, this right-hand threaded fastener maintains consistent quality and performance standards required for professional engineering applications.
