S-90447A740 M12 x 210 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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
- Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
- Superior wear resistance due to Rockwell C32 hardness, ensuring extended service life in demanding environments
- Optimized torque transmission through the external hex drive design, enabling secure installation with standard tools
- Enhanced assembly efficiency with coarse 1.75mm pitch threads that reduce cross-threading risks during fastening
- Precise thread engagement maintained by Class 6g tolerance, providing consistent clamping force in metric assemblies
- Versatile partial threading allowing unthreaded shank sections for shear load resistance in structural applications
- Regulatory compliance assurance meeting DIN 931 specifications and environmental standards for global industrial use
Professional Applications & Engineering Value
This M12 hex head screw delivers critical engineering solutions where high tensile strength and durability are paramount. The Class 10.9 steel construction provides exceptional resistance to vibration loosening and fatigue failure in heavy machinery, structural steel connections, and industrial equipment assembly. The partially threaded design creates a precise shear plane while the metric coarse threading ensures rapid installation in time-sensitive production environments. With 210mm length and external hex drive, this fastener addresses common challenges in construction, automotive, and manufacturing sectors where DIN 931 compliance guarantees dimensional accuracy and interchangeability across European equipment specifications.
Specification Summary & Compliance
This hex head screw maintains precise Class 6g thread fit tolerance per metric standards with M12 x 1.75mm coarse thread configuration. Manufacturing strictly adheres to DIN 931 specifications for dimensional consistency and mechanical properties. The product demonstrates full compliance with RoHS 3 (2015/863/EU) hazardous substance restrictions and REACH (EC 1907/2006) chemical safety regulations, ensuring environmental responsibility in industrial supply chains.
