S-91997A216 10-32 x 3/8" ASME B18.3 Sealing Tamper-Resistant Torx Stainless Steel Button Head Screws
Sealing 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
Installation & Application
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Key Features & Benefits at a Glance
- Tamper-resistant Torx T25 drive prevents unauthorized access in high-security environments
- Buna-N rubber O-ring seal maintains reliable leak-proof performance across -40° to 225°F temperature range
- 18-8 stainless steel construction provides excellent corrosion resistance and durability in demanding applications
- Class 3A thread fit ensures precise, vibration-resistant connections in critical assemblies
- 1500 psi pressure rating delivers superior sealing performance in high-pressure systems
- Passivated finish enhances corrosion protection while maintaining surface integrity
- Rounded button head design offers smooth profile for applications requiring low clearance
Professional Applications & Engineering Value
Engineered for industrial applications where both security and sealing are critical, these 10-32 UNF screws with tamper-resistant Torx drive address common challenges in machinery, electronic enclosures, and fluid systems. The combination of 18-8 stainless steel material and Buna-N rubber O-ring creates a reliable barrier against environmental contaminants, moisture, and pressure fluctuations. The fine thread spacing and Class 3A thread fit provide superior vibration resistance, making these rounded head screws ideal for precision equipment where loosening could compromise safety or performance. The passivated finish further enhances durability in corrosive environments, extending service life while maintaining consistent sealing capability up to 1500 psi maximum pressure.
Specification Summary & Compliance
This 10-32 UNF screw features Class 3A thread fit precision and fine thread spacing for optimal engagement. Manufacturing complies with ASME B18.3 standards for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental regulations for industrial components.