S-90825A410 1/4"-20 x 1/2" 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 corrosion resistance with 18-8 Stainless Steel and passivated finish for long-lasting performance in harsh environments
- Reliable high-pressure sealing up to 6000 psi with integrated Fluoroelastomer O-Ring, preventing leaks in critical applications
- Exceptional temperature tolerance from -20° to 400°F, maintaining seal integrity across diverse operating conditions
- High tensile strength of 70,000 psi for secure fastening in demanding mechanical assemblies
- Easy installation and removal with Phillips No. 3 drive and UNC coarse threading, reducing assembly time
- Precise thread fit with Class 2A tolerance ensuring consistent engagement and vibration resistance
- Compliance with environmental regulations including RoHS 3 and REACH for global industrial use
Professional Applications & Engineering Value
This rounded head Phillips screw with integrated Fluoroelastomer O-Ring provides an engineered solution for industrial applications requiring reliable sealing under extreme conditions. The 18-8 Stainless Steel construction with passivated finish offers excellent corrosion resistance, while the UNC coarse threading and Class 2A thread fit ensure secure fastening in high-vibration environments. Ideal for hydraulic systems, pneumatic equipment, and fluid handling applications, this sealing screw maintains integrity across temperature fluctuations from -20° to 400°F, preventing costly downtime and maintenance in industrial sealing applications where pressure containment up to 6000 psi is critical.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (1/4"-20), this fully threaded rounded head screw features a pan head profile with 0.517" diameter. The assembly meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility while delivering consistent performance in industrial fastening applications requiring maximum hole diameter of 0.265".
