S-92205A550 1/4"-20 x 2" Sealing Hex Head Screws
Sealing Hex 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 maintain integrity across extreme temperatures from -80° to 400°F
- Exceptional pressure resistance handling up to 20,000 psi for demanding industrial applications
- Enhanced corrosion resistance from 18-8 stainless steel construction with Rockwell B85 hardness
- Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening in various materials
- High tensile strength of 80,000 psi provides structural integrity under heavy loads
- Optimized partial threading allows for precise clamping force control and reduced assembly time
- Regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
These 18-8 stainless steel hex head screws with silicone O-ring seals solve critical sealing challenges in high-pressure environments. The combination of UNC coarse threading and Class 2A thread fit ensures reliable installation in machinery, hydraulic systems, and industrial equipment where vibration resistance is crucial. The partially threaded design concentrates clamping force precisely where needed, while the silicone rubber O-ring maintains its sealing properties across extreme temperature fluctuations from -80° to 400°F. This makes them ideal for industrial applications requiring both mechanical strength and fluid containment, such as pump assemblies, pressure vessels, and processing equipment where corrosion resistance and regulatory compliance are mandatory.
Specification Summary & Compliance
This 1/4"-20 UNC hex head screw features precise Class 2A thread fit tolerances and coarse threading for optimal performance. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use worldwide. With a maximum hole diameter of 0.269" and partial threading configuration, these screws deliver consistent performance in demanding applications.
