S-94622A445 1/2"-20 x 2 3/32" AN8-20A 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance under heavy loads and high-stress conditions
- Superior corrosion resistance from cadmium plating extends service life in harsh industrial environments
- Precise Class 3A thread fit provides secure fastening with minimal backlash in critical assemblies
- AN8-20A specification compliance guarantees consistent quality and interchangeability in aerospace and defense applications
- Rockwell C26 hardness rating offers excellent wear resistance and durability against repeated use
- External hex drive design allows for high-torque installation with standard tools, reducing assembly time
- Partially threaded shank provides optimal grip length for secure clamping in structural connections
Professional Applications & Engineering Value
This 1/2"-20 UNF steel hex head screw delivers critical engineering solutions where precision and reliability are paramount. The cadmium plated finish provides essential corrosion protection for industrial equipment, machinery, and structural frameworks exposed to demanding environments. With its Class 3A thread fit and external hex drive, this fastener ensures precise alignment and secure fastening in critical assemblies, reducing vibration-induced loosening and maintenance requirements. The partially threaded design combined with AN8-20A specification compliance makes it ideal for aerospace components, heavy machinery, and defense applications where consistent performance and regulatory adherence are essential.
Specification Summary & Compliance
This hex head screw features 1/2"-20 UNF fine threads with Class 3A thread fit for precision engagement, manufactured to AN8-20A specifications. The inch-system dimensions include 2-3/32" length with 1-5/16" grip length, ensuring proper clamping force distribution. The cadmium plating meets industry standards for corrosion resistance while maintaining Rockwell C26 hardness and 120,000 psi tensile strength for demanding applications requiring certified performance and reliability.
