S-91900A846 M3 x 6 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 Security: Tamper-resistant Torx T8 drive prevents unauthorized removal, ideal for public or high-risk environments.
- Superior Corrosion Resistance: 18-8 stainless steel with passivated finish ensures long-term durability in harsh or humid conditions.
- High Mechanical Strength: 80,000 psi tensile strength and Rockwell B96 hardness provide reliable, vibration-resistant fastening.
- Precise Thread Engagement: Class 6g coarse thread with 0.5mm pitch ensures quick installation and secure hold in metric applications.
- Low-Profile, Rounded Design: Button head minimizes snagging and offers a smooth, finished appearance.
- Full Thread Coverage: 6mm fully threaded length maximizes grip and distribution of clamping force.
- Global Compliance: Meets ASTM F879M, ISO 7380, RoHS 3, and REACH standards for safe, regulated use worldwide.
Professional Applications & Engineering Value
These M3 tamper-resistant Torx button head screws are engineered to address critical challenges in industrial and security-focused applications. The 18-8 stainless steel construction, enhanced by a passivated finish, resists oxidation and chemical exposure, making them suitable for electronics enclosures, outdoor machinery, and medical devices. The Tamper-Resistant Torx T8 drive deters vandalism and unauthorized access, while the coarse thread (0.5mm pitch) and Class 6g fit ensure rapid, precise installation with reduced cross-threading risk. Fully threaded along the 6mm length, they deliver consistent clamping force in assemblies requiring tamper-proof, metric fasteners that comply with international specifications.
Specification Summary & Compliance
This fastener features a M3 x 0.5mm coarse thread with Class 6g tolerance and is fully threaded over a 6mm length. Manufacturing adheres to ASTM F879M and ISO 7380 standards, ensuring dimensional accuracy and performance reliability. The product is confirmed RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for global industrial use.
