S-94622A247 1/2"-20 x 3 3/32" AN8-30 Cotter Pin-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium-plated steel construction for extended service life in harsh industrial environments
• Precise thread engagement with Class 3A fit ensuring reliable, vibration-resistant connections in critical assemblies
• Enhanced safety locking through integrated cotter pin mechanism preventing accidental loosening under dynamic loads
• High-torque capability with external hex drive design facilitating secure installation with standard wrench tools
• Exceptional load-bearing capacity with 120,000 psi tensile strength and Rockwell C26 hardness for heavy-duty applications
• Optimized stress distribution through partially threaded design concentrating strength where needed most
• Military-grade compliance meeting AN8-30 specifications for aerospace and defense applications requiring certified components

Professional Applications & Engineering Value

This cadmium-plated steel hex head screw delivers critical performance where vibration resistance and corrosion protection are paramount. The Class 3A thread fit provides superior dimensional accuracy for precision assemblies in aerospace, heavy machinery, and structural applications. The combination of 120,000 psi tensile strength and Rockwell C26 hardness ensures reliable performance under extreme mechanical stress, while the cotter pin locking mechanism prevents catastrophic failure in high-vibration environments. The fine UNF thread spacing offers enhanced clamping force distribution, making these AN8-30 specification screws ideal for critical joints requiring both strength and precision in demanding industrial settings.

Specification Summary & Compliance

Manufactured to exacting AN8-30 military specifications with precision Class 3A thread fit tolerances. Features 1/2"-20 UNF fine threads in right-hand direction with partial threading configuration. The cadmium-plated steel construction meets industry standards for corrosion resistance while maintaining 120,000 psi tensile strength and Rockwell C26 hardness ratings. Designed for compatibility with 3/32" cotter pins through precision-drilled 0.106" cross holes, ensuring secure locking in critical applications requiring certified industrial fasteners.