S-91900A192 8-32 x 3/8" ASME B18.3 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 specialized T15 Torx drive design to prevent unauthorized removal in secure environments
- Superior corrosion resistance through 18-8 stainless steel construction and passivated surface treatment for extended service life
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding industrial applications
- Precise thread engagement with Class 3A thread fit and UNC coarse spacing ensuring reliable fastening performance
- Optimized head design featuring rounded button profile for reduced snagging and improved aesthetic integration
- Full threading coverage across the 3/8" length providing maximum grip and load distribution
- Regulatory compliance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
This 8-32 UNC tamper-resistant Torx screw delivers critical security and reliability for industrial applications where unauthorized access prevention is paramount. The 18-8 stainless steel composition, enhanced by passivated finish, provides exceptional resistance to corrosion and chemical exposure in harsh environments. The specialized T15 Torx drive design effectively deters tampering while allowing authorized maintenance with standard tools. With Class 3A thread fit and coarse thread spacing, these rounded head screws ensure rapid installation and secure fastening in machinery, electronic enclosures, and public infrastructure. The combination of 70,000 psi tensile strength and full threading delivers superior clamping force and vibration resistance, making them ideal for permanent installations requiring both security and durability.
Specification Summary & Compliance
This tamper-resistant fastener features precise Class 3A thread fit with UNC coarse spacing (8-32 thread size) and fully threaded 3/8" length configuration. Manufactured to ASME B18.3 specifications with right-hand thread direction and standard rounded head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
