S-92205A740 1/2"-13 x 3" 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 corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Reliable sealing performance through silicone rubber O-ring that withstands extreme temperatures from -80° to 400° F
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
- High-pressure containment capability up to 20,000 psi, ensuring system integrity in demanding fluid systems
- Precision thread engagement with Class 2A thread fit and UNC coarse threads for secure fastening and vibration resistance
- Optimized installation efficiency with external hex drive and 3/4" head width for easy torque application
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global industrial use
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw delivers critical engineering solutions where fluid sealing and structural integrity are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for chemical processing, marine, and food equipment applications. The silicone rubber O-ring creates a reliable seal in hydraulic systems, pressure vessels, and industrial machinery operating under extreme temperature variations. The partially threaded design with Class 2A thread fit ensures precise clamping force distribution while the coarse UNC threads resist loosening under vibration. This combination addresses common industrial challenges of pressure containment, environmental durability, and maintenance reduction in critical fastening applications.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specification (1/2"-13). Features partial threading with minimum 1-1/4" thread length, 3/4" hex head width, and 5/16" head height. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Engineered for maximum hole diameter of 0.534" with right-hand thread direction and external hex drive configuration.
