S-90825A851 1/4"-20 x 3/8" 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 silicone rubber O-ring for reliable leak prevention in demanding applications
- Exceptional corrosion resistance thanks to 18-8 stainless steel construction and passivated surface treatment
- High-pressure capability withstands up to 6000 psi for critical industrial applications
- Wide temperature tolerance from -80° to 400°F for versatile environmental compatibility
- Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening
- Easy installation with Phillips No. 3 drive for efficient assembly operations
- Regulatory compliance meeting RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
These 1/4"-20 UNC rounded head Phillips screws deliver exceptional engineering value in applications where fluid sealing and pressure containment are critical. The combination of 18-8 stainless steel material and passivated finish provides outstanding corrosion resistance in harsh environments, while the integrated silicone rubber O-ring creates a reliable seal that maintains integrity across extreme temperature fluctuations from -80° to 400°F. The pan head design with Phillips drive ensures straightforward installation in confined spaces, making these sealing screws ideal for hydraulic systems, pneumatic equipment, and industrial machinery where pressure ratings up to 6000 psi demand uncompromising fastener performance.
Specification Summary & Compliance
This rounded head screw features precise 1/4"-20 UNC coarse threads with Class 2A fit for consistent engagement and reliable fastening. The fully threaded design maximizes holding power while accommodating maximum hole diameters of 0.265". Manufactured from 18-8 stainless steel with passivated finish for enhanced corrosion protection, these industrial fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the strictest international standards for hazardous substance restrictions.
