S-90517A310 M6 x 12 mm ASTM F879M Tamper-Resistant Hex Drive Flat Head Screws
Tamper-Resistant Hex Drive Flat 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 specialized hex drive requiring matching security bits, preventing unauthorized access in public or high-security installations.
- Superior corrosion resistance from 18-8 Stainless Steel and passivated finish, ensuring long-term reliability in humid, chemical, or outdoor environments.
- High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness, providing reliable fastening under vibration and heavy loads.
- Precision threading with Class 6g fit and M6x1 mm coarse pitch, enabling quick, secure installation and reducing cross-threading risks.
- Flush mounting capability with standard 90° countersink flat head, creating a smooth, snag-free surface ideal for machinery and fixtures.
- Full regulatory compliance meeting ASTM F879M, RoHS 3, and REACH standards, ensuring safety and environmental responsibility for global projects.
- Complete thread engagement along the 12 mm length, maximizing pull-out strength and distribution of clamping force.
Professional Applications & Engineering Value
These M6 flat head tamper-resistant screws are engineered to address critical challenges in industrial security and durability. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making them ideal for outdoor equipment, electrical enclosures, and machinery in harsh environments. The tamper-resistant hex drive deters vandalism and unauthorized disassembly in public infrastructure, transportation, and secure facilities. With fully threaded design and Class 6g thread fit, they ensure consistent clamping force and reduce installation errors, while the flat head profile allows for seamless integration into surfaces, preventing interference with moving parts.
Specification Summary & Compliance
This screw features M6x1 mm coarse threads with Class 6g tolerance for precision fit, a 13.44 mm head diameter, and 12 mm length. It is manufactured to meet ASTM F879M specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
