S-91997A209 8-32 x 1" 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 T15 Torx Drive prevents unauthorized access, enhancing security in public or high-risk installations.
- Buna-N Rubber O-Ring creates a reliable seal, resisting pressures up to 1500 psi and temperatures from -40° to 225°F, ideal for fluid and gas containment systems.
- 18-8 Stainless Steel with Passivated Finish offers superior corrosion resistance, ensuring long-term durability in harsh or outdoor environments.
- Class 3A Thread Fit and UNC Coarse Threading provide precise, secure fastening with reduced risk of cross-threading in industrial assemblies.
- 70,000 psi Tensile Strength and Rockwell B70 Hardness deliver high mechanical integrity, supporting heavy-duty applications without failure.
- Fully Threaded Design allows for maximum grip along the entire length, improving load distribution and vibration resistance.
- Rounded Button Head Profile offers a low-profile, smooth finish that minimizes snagging and enhances safety in machinery and equipment.
Professional Applications & Engineering Value
Engineered for demanding environments, this 8-32 x 1" rounded head screw combines 18-8 stainless steel and a passivated finish to combat corrosion in industrial settings like chemical processing or marine applications. The tamper-resistant Torx T15 drive secures critical assemblies against tampering, while the integrated Buna-N rubber O-ring ensures leak-proof sealing in pneumatic, hydraulic, or plumbing systems up to 1500 psi. With UNC coarse threads and Class 3A fit, it facilitates quick, accurate installation in machinery, electronics, and automotive components, reducing maintenance downtime and enhancing operational reliability.
Specification Summary & Compliance
This screw features precise UNC 8-32 threads with Class 3A fit for tight tolerances and is fully threaded for consistent performance. It complies with ASME B18.3 manufacturing standards, ensuring dimensional accuracy and interchangeability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial use.
