S-91280A080 M8 x 14 mm ISO 4017, DIN 933 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 110,000 psi tensile strength and Class 8.8 rating for reliable performance in demanding applications
- Superior torque transmission through external hex drive and 13mm head width, ensuring secure installation and removal
- Optimized thread engagement with coarse 1.25mm pitch and Class 6g fit for faster assembly and vibration resistance
- Enhanced durability from Rockwell C21 hardness steel construction, providing excellent wear resistance
- Full threading coverage along the 14mm length for maximum grip strength and uniform stress distribution
- Corrosion-resistant black finish that maintains structural integrity in various industrial environments
- Global compliance assurance meeting ISO 4017 DIN 933 standards for consistent quality and interchangeability
Professional Applications & Engineering Value
These M8 hex head screws deliver critical engineering advantages through their Class 8.8 steel construction and metric coarse threading. The combination of 110,000 psi tensile strength and Rockwell C21 hardness ensures reliable performance in heavy machinery, automotive assemblies, and structural frameworks where vibration resistance and load capacity are paramount. The external hex drive design provides superior torque transmission during installation, reducing the risk of stripping while the fully threaded M8x1.25mm configuration offers maximum engagement depth for secure fastening in various material thicknesses. These black steel fasteners are engineered to withstand demanding industrial environments while maintaining compliance with international standards for consistent performance across global manufacturing operations.
Specification Summary & Compliance
Manufactured to precise ISO 4017 DIN 933 specifications with Class 6g thread fit tolerance ensuring dimensional accuracy and interchangeability. The metric coarse thread (M8x1.25mm) provides optimal performance in most industrial applications. These fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they contain no restricted substances and meet the latest environmental standards for industrial components.
