S-92205A547 1/4"-20 x 1 1/2" 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 O-rings rated for extreme temperatures (-80° to 400°F) and high-pressure environments up to 20,000 psi
- Exceptional corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
- High tensile strength of 80,000 psi provides reliable fastening integrity under heavy mechanical loads
- Precise Class 2A thread fit with UNC coarse threading for easier installation and consistent engagement in various materials
- External hex drive design allows for standard tool compatibility and secure torque application during assembly
- Partial threading configuration offers optimal grip strength while maintaining sealing effectiveness
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 18-8 stainless steel hex head screws with integrated silicone O-ring sealing provide critical solutions for fluid containment systems, pressure vessels, and hydraulic equipment. The combination of UNC coarse threading and Class 2A thread fit ensures reliable installation in various substrates while maintaining sealing integrity under extreme conditions. The external hex drive facilitates efficient assembly with standard tools, reducing installation time in maintenance operations and production lines. These partially threaded screws deliver superior performance in applications requiring both secure fastening and effective sealing, from industrial machinery to processing equipment operating at temperatures ranging from -80° to 400°F.
Specification Summary & Compliance
This 1/4"-20 UNC hex head screw features precise Class 2A thread fit with coarse threading and partial threading configuration. The assembly maintains dimensional accuracy with maximum hole diameter compatibility of 0.269". Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety standards are met for industrial applications worldwide.
