S-91280A185 M12 x 150 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
- Exceptional tensile strength with Class 8.8 rating (110,000 psi) for reliable performance in demanding industrial applications
- Superior corrosion resistance through zinc plating, extending service life in harsh environments
- Optimized thread engagement with partially threaded design and 36mm thread length for secure fastening and material savings
- Precision thread fit with Class 6h tolerance ensuring consistent performance and easy assembly
- High hardness rating of Rockwell C21 provides excellent wear resistance and durability
- Coarse thread pitch (1.75mm) enables quick installation and reduced cross-threading risks
- External hex drive design allows for high torque application with standard tools
Professional Applications & Engineering Value
This M12 hex head screw delivers exceptional engineering value for industrial assembly and construction applications where high tensile strength and corrosion resistance are critical. The Class 8.8 steel construction provides reliable performance in structural applications, while the zinc plating surface treatment protects against environmental degradation. The partially threaded design with coarse metric thread (M12 x 1.75mm) ensures optimal clamping force distribution and prevents material damage during installation. With 150mm length and external hex drive, these screws are ideal for heavy machinery, equipment frames, and structural steel connections where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
This metric hex head screw features precise Class 6h thread fit tolerance and complies with ISO 4014 (DIN 931) manufacturing standards. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. Manufactured to exacting dimensional specifications including 19mm head width and 7.5mm head height, ensuring compatibility with standard tools and consistent performance across industrial applications.
