S-98070A122 8-32 x 9/16" Sealing Stainless Steel Phillips Flat Head Screws
Sealing Stainless Steel Phillips Flat 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
- Superior sealing performance with silicone rubber O-rings that withstand pressures up to 1500 psi, preventing leaks in demanding applications
- Exceptional corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh environments
- Broad temperature tolerance from -80° to 400°F, ensuring reliable operation in extreme thermal conditions
- High tensile strength of 70,000 psi for secure fastening and long-term durability under mechanical stress
- Precise Class 2A thread fit with UNC coarse threading for easy installation and consistent engagement
- Undercut flat head design allows for flush mounting while maintaining structural integrity
- Full regulatory compliance with RoHS 3 and REACH standards for safe, environmentally responsible industrial use
Professional Applications & Engineering Value
Engineered for critical sealing applications, these 8-32 UNC flat head screws combine 18-8 stainless steel durability with silicone rubber O-rings to solve common industrial challenges. The passivated finish enhances corrosion resistance in moist or chemical-exposed environments, while the fully threaded UNC coarse design ensures rapid assembly and vibration resistance. Ideal for pressure vessels, hydraulic systems, and HVAC equipment, these screws maintain integrity from sub-zero to high-temperature operations. The undercut flat head provides a clean, flush finish without compromising sealing efficiency, making them perfect for aerospace, automotive, and manufacturing applications where reliability is paramount.
Specification Summary & Compliance
This 8-32 UNC flat head screw features precise Class 2A thread fit with coarse threading for consistent performance. Manufactured to standard inch dimensions including 9/16" length and 100° countersink angle, it ensures compatibility with standard 0.179" maximum hole diameters. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety requirements for industrial fastener applications.
