S-91900A311 M5 x 60 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 T25 Torx drive prevents unauthorized removal in high-security applications
- Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment
- High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness for demanding environments
- Precision threading with Class 6g fit and coarse pitch ensures reliable engagement and vibration resistance
- Streamlined installation with rounded button head profile that reduces snagging and provides a finished appearance
- Full thread coverage along the 60mm length maximizes grip strength and load distribution
- Regulatory compliance meets international standards including ASTM F879M, ISO 7380, RoHS 3, and REACH
Professional Applications & Engineering Value
These M5 metric screws with tamper-resistant Torx drive address critical security and durability challenges in industrial settings. The combination of 18-8 stainless steel material and passivated finish provides exceptional resistance to corrosion, moisture, and chemical exposure, making them ideal for outdoor equipment, marine applications, and harsh manufacturing environments. The fully threaded design and Class 6g thread fit ensure maximum holding power while the rounded button head profile eliminates sharp edges that could damage wiring or pose safety hazards. These security screws are particularly valuable in public infrastructure, transportation systems, and electronic enclosures where vandalism prevention and long-term reliability are paramount concerns.
Specification Summary & Compliance
This M5 x 0.8 x 60mm screw features precision metric coarse threading with Class 6g tolerance for consistent performance. Manufacturing conforms to ASTM F879M and ISO 7380 specifications, ensuring dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations concerning chemical safety, verified through the latest substance inventory review dated June 14, 2023.
