S-91239A811 M3 x 15 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel 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
- Exceptional durability with Class 12.9 strength grade, providing reliable performance in high-stress applications
- Superior corrosion resistance thanks to black-oxide coating on alloy steel, extending service life in demanding environments
- Optimized torque transmission through 2 mm hex drive design, ensuring secure installation and removal
- Enhanced thread engagement with coarse M3 x 0.5 mm threading, delivering superior holding power
- Low-profile rounded head design that minimizes protrusion while maintaining structural integrity
- Full thread coverage along the 15 mm length for maximum fastening contact and load distribution
- Regulatory compliance assurance meeting international ISO 7380 standards and environmental regulations
Professional Applications & Engineering Value
This M3 metric hex screw with Class 12.9 strength rating and black-oxide alloy steel construction addresses critical engineering challenges in industrial assembly. The combination of 170,000 psi tensile strength and Rockwell C39 hardness ensures reliable performance in high-vibration environments where fastener failure is not an option. The fully threaded coarse pitch design provides excellent grip in various materials, while the rounded button head profile offers a clean, low-profile finish that reduces snagging risks in automated equipment. Particularly valuable in machinery, automotive components, and precision instruments, these ISO 7380 compliant screws deliver consistent performance where dimensional accuracy and corrosion resistance are paramount for long-term operational reliability.
Specification Summary & Compliance
This fastener maintains Class 6g thread fit tolerance according to metric standards, ensuring precise thread engagement. Manufacturing adheres to ISO 7380 specifications for dimensional consistency and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial applications requiring strict material composition controls.
