S-94622A443 1/2"-20 x 1 19/32" AN8-14A Army-Navy Medium-Strength Steel Hex Head Screws
Army-Navy Medium-Strength Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with cadmium plating, extending service life in harsh industrial and aerospace environments
- Precise Class 3A thread fit ensures reliable, vibration-resistant connections in critical assemblies
- Exceptional 120,000 psi tensile strength provides high load-bearing capacity for demanding mechanical applications
- Rockwell C26 hardness rating delivers excellent wear resistance and durability under repeated stress
- External hex drive design allows for high-torque installation with standard tools, reducing assembly time
- AN8-14A specification compliance guarantees consistent quality and performance in regulated industries
- Fine UNF thread spacing offers improved clamping force distribution and superior sealing capabilities
Professional Applications & Engineering Value
This high-strength steel hex head screw with Class 3A UNF threads addresses critical engineering challenges in aerospace and industrial applications where vibration resistance and precise fit are paramount. The cadmium plated finish provides essential corrosion protection in demanding environments, while the partially threaded design allows for optimal grip length control in assembled components. With 120,000 psi tensile strength and Rockwell C26 hardness, this fastener maintains structural integrity under extreme loads and thermal cycling. The external hex drive configuration enables efficient installation in confined spaces, making it ideal for machinery, structural frameworks, and AN8-14A compliant aerospace systems requiring reliable, high-performance fastening solutions.
Specification Summary & Compliance
Manufactured to AN8-14A specifications with Class 3A thread fit precision and UNF fine thread spacing. Features include 1/2"-20 thread size, 0.5" thread diameter, 25/32" thread length, and 13/16" grip length. The cadmium plated steel construction meets industrial corrosion resistance standards while maintaining 120,000 psi tensile strength and Rockwell C26 hardness for consistent performance in regulated applications.
