S-91870A540 M6 x 40 mm ASTM F879M Tamper-Resistant Torx Stainless Steel Flat Head Screws
Tamper-Resistant Torx Stainless Steel 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 Security: Tamper-resistant Torx T30 drive prevents unauthorized removal, ideal for public or high-risk environments.
- Superior Corrosion Resistance: Made from 18-8 stainless steel with a passivated finish for long-lasting performance in harsh conditions.
- High Tensile Strength: Withstands up to 80,000 psi, ensuring reliable fastening under heavy loads and stress.
- Optimal Thread Engagement: Fully threaded M6 coarse pitch (1mm) with Class 6g fit provides excellent grip and vibration resistance.
- Durable Material Hardness: Rockwell B96 hardness offers excellent wear resistance and durability for repeated use.
- Regulatory Compliance: Meets ASTM F879M specifications and is RoHS 3 and REACH compliant for safe, global use.
- Flush Installation: Standard flat head with 90° countersink angle allows for a smooth, unobtrusive surface finish.
Professional Applications & Engineering Value
This M6 flat head screw is engineered to address critical fastening challenges in industrial and security applications. The 18-8 stainless steel construction, combined with a passivated finish, provides exceptional resistance to corrosion, making it suitable for outdoor machinery, marine equipment, and chemical processing plants. The tamper-resistant Torx T30 drive ensures that fasteners remain secure in public infrastructure, transportation, or electronic enclosures where vandalism is a concern. With a fully threaded design and metric coarse thread, it delivers maximum holding power and prevents loosening under vibration, reducing maintenance needs. Ideal for assembly lines, security panels, and heavy-duty frameworks, this screw enhances operational reliability while meeting strict industry standards.
Specification Summary & Compliance
This product features precise M6 x 1mm metric coarse threads with a Class 6g tolerance for accurate fit. It complies with ASTM F879M manufacturing specifications and is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory adherence.
