S-91180A352 M8 x 50 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 capability with 110,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Precision thread engagement with Class 6h fit and M8x1mm fine pitch for secure, vibration-resistant connections
- Optimized drive efficiency featuring external hex head design for easy installation with standard tools
- Consistent mechanical properties maintained through Rockwell C21 hardness and Class 8.8 strength rating
- Full-length threading ensures maximum grip and uniform stress distribution along the entire 50mm length
- Regulatory compliance assurance meeting international ISO 8676 standards and environmental RoHS 3/REACH requirements
Professional Applications & Engineering Value
Engineered for industrial machinery assembly and structural applications, these M8 hex head screws deliver critical performance where vibration resistance and long-term reliability are paramount. The Class 8.8 steel construction provides optimal strength-to-weight ratio, while the fine thread pitch (M8x1mm) ensures superior clamping force in materials prone to stress relaxation. The zinc plated finish actively protects against corrosion in manufacturing environments, extending maintenance intervals. With fully threaded design and external hex drive, these metric screws enable rapid installation and consistent torque application across automotive, construction, and equipment manufacturing sectors where ISO 8676 compliance is required.
Specification Summary & Compliance
Manufactured to ISO 8676 (DIN 961) specifications with Class 6h thread tolerance ensuring precise fitment. The metric fine threading (M8x1mm) maintains dimensional accuracy per international standards. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming absence of restricted substances. Class 8.8 strength rating verifies mechanical properties including 110,000 psi tensile strength and Rockwell C21 hardness for consistent performance in industrial fastening applications.
