S-90854A239 M12 x 50 mm ISO 4017, DIN 933 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
- Maximum Load-Bearing Performance – Class 10.9 strength rating and 150,000 psi tensile strength ensure reliable fastening in high-stress industrial environments
- Superior Corrosion Protection – Zinc yellow-chromate plating provides enhanced resistance to rust and environmental degradation
- Optimized Thread Engagement – M12 coarse pitch (1.75mm) design enables quicker installation and superior vibration resistance
- Precision Manufacturing Compliance – Manufactured to ISO 4017/DIN 933 specifications guaranteeing dimensional accuracy and interchangeability
- Full Thread Coverage – 50mm fully threaded design maximizes grip length and load distribution capabilities
- Robust Material Properties – Steel construction with Rockwell C32 hardness maintains structural integrity under repeated stress
- Industry-Standard Drive System – External hex head (19mm width) allows for high-torque installation with common tools
Professional Applications & Engineering Value
This M12 hex head screw delivers critical engineering solutions where high tensile strength and corrosion resistance are paramount. The Class 10.9 steel fastener with zinc yellow-chromate plating withstands aggressive environments while maintaining Rockwell C32 hardness for long-term reliability. Its metric coarse pitch threading (1.75mm) provides superior resistance to vibrational loosening in heavy machinery, structural steel connections, and manufacturing equipment. The fully threaded 50mm length ensures maximum engagement in thick materials, making it ideal for construction, automotive assembly, and industrial maintenance applications where failure is not an option.
Specification Summary & Compliance
Manufactured to ISO 4017 DIN 933 specifications with Class 6h thread fit tolerance ensuring precise dimensional accuracy. The external hex drive (19mm width, 7.5mm height) conforms to international standards for tool compatibility. This metric coarse thread fastener maintains compliance with RoHS and REACH environmental directives while delivering consistent performance across industrial applications.
