S-91280A961 M27 x 60 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 for reliable performance in demanding applications
- Superior corrosion resistance thanks to black steel construction and full compliance with RoHS 3 and REACH environmental standards
- Optimized torque transmission through external hex drive design and 41mm head width for secure installation
- Consistent thread engagement with Class 6g thread fit and coarse 3mm pitch for faster assembly in industrial settings
- Enhanced durability from Rockwell C21 hardness rating, ensuring long service life under vibration and stress
- Full thread coverage along the 60mm length provides maximum grip strength across the entire fastener
- Global compatibility with ISO 4017 DIN 933 standards for seamless integration into metric-based engineering projects
Professional Applications & Engineering Value
These M27 hex head screws deliver critical performance advantages for heavy-duty industrial applications where fastener failure is not an option. The Class 8.8 steel construction provides the ideal balance of strength and ductility, resisting shear forces and vibration-induced loosening in machinery, structural steel connections, and equipment assembly. The coarse metric thread with 3mm pitch ensures rapid installation while maintaining secure clamping force, significantly reducing assembly time in production environments. The fully threaded design offers maximum thread engagement throughout the 60mm length, distributing stress evenly and preventing localized failure points. With external hex drive compatibility, these fasteners accommodate standard industrial tools for consistent torque application and reliable fastening in confined spaces.
Specification Summary & Compliance
This hex head screw features M27 x 3mm metric coarse threads with Class 6g thread fit tolerance for precise engagement. Manufactured to ISO 4017 DIN 933 specifications with Class 8.8 strength grade certification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
