S-94622A444 1/2"-20 x 1 27/32" AN8-16A 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 from cadmium plating, extending service life in harsh industrial environments
- Exceptional 120,000 psi tensile strength for reliable performance in heavy-duty applications
- Precision Class 3A thread fit ensures secure, vibration-resistant connections with minimal play
- Fine thread spacing provides enhanced clamping force and superior load distribution
- External hex drive design enables high-torque installation with standard tools
- Rockwell C26 hardness maintains structural integrity under repeated stress and loading
- AN8-16A specification compliance guarantees consistent quality for aerospace and defense applications
Professional Applications & Engineering Value
This high-strength steel hex head screw delivers critical reliability where fastener failure is not an option. The cadmium plated finish provides essential corrosion protection for outdoor equipment, marine applications, and industrial machinery exposed to moisture and chemicals. With its 1/2"-20 UNF fine thread configuration and Class 3A precision thread fit, this fastener maintains clamping force under vibration and dynamic loads, preventing loosening in critical assemblies. The external hex drive allows for high-torque installation in confined spaces, while the partial threading provides optimal grip length for structural connections. Engineered to meet AN8-16A specifications, this screw is ideal for aerospace, defense, and heavy machinery applications demanding uncompromising performance.
Specification Summary & Compliance
This inch system fastener features Class 3A thread fit precision with UNF thread standard compliance. Manufacturing adheres to AN8-16A specifications for consistent quality and dimensional accuracy. The right-hand thread direction and fine thread spacing ensure proper engagement and superior clamping performance. Material composition and cadmium plating meet industry standards for heavy-duty industrial applications requiring reliable corrosion resistance and mechanical properties.
