S-91900A844 10-32 x 1 1/2" 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 for secure installations in high-security environments
- Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibrations
- Precise Class 3A thread fit for smooth assembly and reduced risk of cross-threading
- Durable Rockwell B70 hardness provides excellent wear resistance and long service life
- Compliance with RoHS 3 and REACH standards for safe use in regulated industries
- Partially threaded design allows for optimal clamping force in specific applications
Professional Applications & Engineering Value
This 10-32 UNF stainless steel rounded head screw is engineered to address critical challenges in industrial and security-focused settings. The tamper-resistant T25 Torx drive prevents unauthorized access, making it ideal for public infrastructure, electronic enclosures, and machinery requiring controlled maintenance. Constructed from 18-8 stainless steel with a passivated finish, it resists harsh chemicals, moisture, and environmental factors, reducing maintenance costs and downtime. The fine UNF thread and Class 3A fit ensure precise engagement in metals and plastics, while the partially threaded shank concentrates clamping force where needed. These features make it a reliable choice for applications demanding both security and corrosion resistance, such as automotive assemblies, telecommunications equipment, and outdoor fixtures.
Specification Summary & Compliance
This fastener adheres to UNF thread standards with a Class 3A thread fit for high precision. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Dimensions include a 10-32 thread size, 1 1/2" length, and 0.361" head diameter, manufactured to consistent quality for reliable performance in industrial applications.
