S-90825A320 2-56 x 1/8" Sealing Stainless Steel Pan Head Phillips Screws
Sealing Stainless Steel Pan Head Phillips 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 fluoroelastomer O-rings that withstand pressures up to 6000 psi, preventing leaks in critical applications
- Excellent corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term durability in harsh environments
- Wide temperature tolerance from -20° to 400° F, maintaining seal integrity across diverse operating conditions
- Precise thread engagement with Class 2A fit and UNC coarse threads for reliable fastening and vibration resistance
- Easy installation with Phillips No. 1 drive and rounded pan head design, reducing assembly time and tool slippage
- Full threading along the 1/8" length provides maximum grip and uniform stress distribution
- Regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industries
Professional Applications & Engineering Value
These 2-56 UNC rounded head screws deliver exceptional sealing performance in demanding industrial environments where fluid or gas containment is critical. The 18-8 stainless steel construction combined with passivated finish provides superior corrosion resistance, making them ideal for chemical processing, hydraulic systems, and outdoor equipment. The fluoroelastomer O-ring maintains its sealing capability across a broad temperature range (-20° to 400° F) and withstands pressures up to 6000 psi, solving common leakage problems in high-pressure applications. The Phillips drive and pan head design ensure secure installation while the Class 2A thread fit guarantees precise engagement for vibration-resistant connections in machinery, instrumentation, and fluid handling systems.
Specification Summary & Compliance
This rounded head screw features precise 2-56 UNC coarse threads with Class 2A fit tolerance for reliable fastening. Manufacturing follows standard inch system specifications with a 1/8" length and fully threaded design. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.
