S-91900A869 M8 x 30 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 T40 Torx drive prevents unauthorized access in high-security applications
- Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment
- Reliable mechanical performance with 80,000 psi tensile strength and Rockwell B96 hardness for demanding environments
- Precision thread engagement with Class 6g fit and coarse 1.25mm pitch ensures secure fastening in metric applications
- Full-threaded design provides maximum grip length and uniform load distribution across the entire fastener
- Low-profile rounded head offers smooth finished appearance while maintaining adequate drive engagement
- Comprehensive regulatory compliance meets international standards including ASTM F879M, ISO 7380, RoHS 3, and REACH
Professional Applications & Engineering Value
These M8 tamper-resistant Torx screws deliver critical security and durability where standard fasteners fail. The 18-8 stainless steel composition combined with passivated finish creates exceptional resistance to corrosion, moisture, and chemical exposure in harsh industrial environments. The T40 security drive system prevents tampering in public facilities, machinery guards, and electronic enclosures while maintaining high torque transmission capability. With Class 6g thread tolerance and coarse 1.25mm pitch, these fully threaded metric screws provide rapid installation and reliable performance in vibration-prone applications across manufacturing, transportation, and infrastructure sectors.
Specification Summary & Compliance
Manufactured to precise metric dimensions (M8 x 1.25mm x 30mm) with Class 6g thread fit ensuring compatibility with standard metric components. These rounded head screws comply with ASTM F879M and ISO 7380 specifications for mechanical properties and dimensional requirements. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances above threshold limits.
