S-91180A905 M12 x 60 mm ISO 8676, DIN 961 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 load-bearing capacity with Class 8.8 strength rating and 110,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Precision fastening control with extra fine 1.25mm thread pitch for secure, vibration-resistant connections
- Optimized torque transmission through external hex head design (19mm width) for efficient installation with standard tools
- Full-length thread engagement provides maximum grip strength and uniform stress distribution
- Consistent dimensional accuracy with Class 6h thread fit ensuring reliable interchangeability and assembly
- Enhanced durability with Rockwell C21 hardness for resistance to wear and deformation
Professional Applications & Engineering Value
This M12 hex head screw delivers critical engineering solutions where high tensile strength and precision threading are paramount. The Class 8.8 steel construction provides reliable performance in structural applications, manufacturing equipment, and heavy machinery where vibration resistance and load capacity are essential. The extra fine 1.25mm pitch metric thread offers superior clamping force distribution, preventing loosening in dynamic environments. Zinc plating ensures long-term corrosion protection in industrial settings, while the fully threaded design allows for maximum engagement in thick materials. These metric fasteners are engineered to maintain integrity under sustained mechanical stress, making them ideal for construction, automotive, and industrial assembly applications requiring dependable, high-strength fastening solutions.
Specification Summary & Compliance
Manufactured to ISO 8676 specifications with Class 6h thread fit tolerance for precision engagement. The metric thread features M12 x 1.25mm extra fine pitch with right-hand direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across regulated industries. The Class 8.8 strength rating corresponds to 110,000 PSI tensile strength and Rockwell C21 hardness, meeting international quality standards for industrial fasteners.
