S-91900A313 M6 x 40 mm ASTM F879M, ISO 7380 Tamper-Resistant Torx Stainless Steel Button Head Screws
Tamper-Resistant Torx Stainless Steel Button 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
- Enhanced tamper resistance with T27 Torx drive prevents unauthorized access in sensitive installations
- Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment
- Reliable thread engagement with Class 6g tolerance ensuring precise fit in metric applications
- High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness for demanding environments
- Full-threaded design provides maximum grip length and uniform stress distribution
- Coarse 1 mm pitch enables faster installation and reduced cross-threading risks
- Rounded button head profile offers clean aesthetics while minimizing snagging hazards
Professional Applications & Engineering Value
Engineered for industrial security applications where tamper resistance and corrosion protection are critical, these M6 metric screws deliver exceptional performance in harsh environments. The combination of 18-8 stainless steel material and passivated finish provides superior resistance to chemicals, moisture, and atmospheric corrosion, making them ideal for outdoor equipment, electrical enclosures, and public infrastructure. The tamper-resistant Torx drive (T27) ensures that fastened components remain secure against unauthorized removal, while the fully threaded coarse pitch design allows for rapid installation in production lines. These rounded head screws maintain structural integrity under vibration and load stresses, offering long-term reliability for machinery, transportation systems, and security installations where maintenance access is limited.
Specification Summary & Compliance
This M6 x 1 mm x 40 mm screw features Class 6g thread fit per metric standards with coarse thread spacing. Manufacturing complies with ASTM F879M and ISO 7380 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
