S-92137A664 M8 x 40 mm ISO 7380-2 Steel Flanged Button Head Hex-Drive Screws
Steel Flanged Button Head Hex-Drive 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 corrosion resistance with black-oxide coating for extended service life in demanding industrial environments
- Exceptional load-bearing capacity with Class 10.9 strength rating and 100,000 psi tensile strength for critical applications
- Optimized torque transmission through 5mm hex drive design preventing tool slippage and damage
- Enhanced stability and distribution with integrated flange eliminating the need for separate washers
- Reliable coarse threading (M8 x 1.25mm) ensuring faster installation and reduced cross-threading risks
- Consistent performance with Rockwell C32 hardness maintaining structural integrity under vibration
- Full thread engagement along 40mm length providing maximum grip strength in assembled components
Professional Applications & Engineering Value
These Class 10.9 metric rounded head screws deliver critical engineering solutions where vibration resistance and structural integrity are paramount. The black-oxide alloy steel construction provides superior protection against corrosion in manufacturing equipment, automotive assemblies, and heavy machinery applications. The flanged button head design with 5mm hex drive offers streamlined installation while distributing clamp force efficiently, eliminating washer requirements. With fully threaded coarse pitch (M8 x 1.25mm) and Class 6g thread fit, these fasteners ensure rapid assembly in high-volume production environments while maintaining precise alignment. The combination of 100,000 psi tensile strength and Rockwell C32 hardness makes these industrial fasteners ideal for dynamic load applications where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to exact ISO 7380-2 standards with Class 6g thread tolerance for consistent fit and performance. These M8 x 1.25mm coarse thread screws feature right-hand threading and 40mm length with 17.8mm flange diameter. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The Class 10.9 strength grade certification guarantees mechanical properties meet international fastener standards for critical engineering applications.
