S-94622A447 1/2"-20 x 3 3/32" AN8-30A Army-Navy Medium-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capability with 120,000 psi tensile strength for reliable performance in heavy-duty applications
• Superior corrosion resistance provided by cadmium plating, extending service life in harsh industrial environments
• Precision thread engagement with Class 3A fit ensuring secure fastening and vibration resistance
• Optimized grip strength through partial threading design for superior clamping force distribution
• Enhanced durability from Rockwell C26 hardened steel construction resisting wear and deformation
• Easy installation and removal with standard 3/4" external hex head design for efficient maintenance
• Industry compliance assurance meeting AN8-30A specifications for aerospace and defense applications

Professional Applications & Engineering Value

This high-strength hex head screw addresses critical engineering challenges in demanding sectors where failure is not an option. The cadmium plated surface treatment provides essential corrosion protection for aerospace components, heavy machinery, and marine equipment exposed to harsh conditions. Engineered with Class 3A thread fit and UNF fine threading, this fastener maintains precise tolerances under extreme vibration and load variations. The partially threaded design concentrates clamping force where needed most, while the external hex drive ensures reliable torque transmission during installation. Manufactured from Rockwell C26 hardened steel, this 1/2"-20 UNF hex head screw delivers consistent performance in structural assemblies, engine components, and critical infrastructure where 120,000 psi tensile strength is paramount for safety and reliability.

Specification Summary & Compliance

This inch system fastener features precision Class 3A thread fit with 1/2"-20 UNF fine threads and right-hand threading. The manufacturing process adheres to AN8-30A specifications with dimensional accuracy maintained throughout production. The cadmium plating meets industry standards for corrosion protection while the Rockwell C26 hardness ensures consistent mechanical properties. This hex head screw complies with relevant aerospace and industrial fastener standards, providing assurance of quality and performance consistency across applications requiring heavy-duty fastening solutions.