S-91180A798 M14 x 90 mm ISO 8765, DIN 960 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 load-bearing capacity with Class 8.8 strength rating and 110,000 psi tensile strength for reliable performance in demanding applications
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Precision fine threading (1.5mm pitch) with Class 6h fit ensures secure fastening and vibration resistance
- Optimized partial threading design provides superior grip strength while reducing material usage
- External hex drive compatibility with standard tools for quick installation and maintenance
- Heavy-duty construction with Rockwell C21 hardness maintains structural integrity under stress
- Comprehensive compliance with international standards including ISO 8765 and environmental regulations
Professional Applications & Engineering Value
This M14 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and zinc plated finish, specifically designed to address critical industrial challenges. The metric fine threading (1.5mm pitch) provides superior resistance to vibration loosening in heavy machinery, construction equipment, and structural assemblies. The partially threaded design concentrates strength where needed most, preventing thread stripping while maintaining clamping force. With external hex drive compatibility, maintenance teams can achieve proper torque application using standard tools, reducing installation time and ensuring consistent performance across manufacturing, infrastructure, and mechanical systems where reliable, high-strength fastening is non-negotiable.
Specification Summary & Compliance
Manufactured to precise metric dimensions with Class 6h thread fit tolerance ensuring consistent performance. Complies with ISO 8765 and DIN 960 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming hazardous substance restriction compliance. The Class 8.8 strength rating and Rockwell C21 hardness validate consistent mechanical performance across production batches.
