S-94622A241 1/2"-20 x 1 3/32" AN8-10 Cotter Pin-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with cadmium plating, extending service life in harsh industrial environments
• Superior thread precision with Class 3A UNF fine threads ensuring reliable, vibration-resistant connections
• High tensile strength of 120,000 psi provides dependable load-bearing capacity for demanding applications
• Secure locking mechanism via integrated cotter pin hole prevents loosening under dynamic loads
• Optimized partial threading allows precise grip length control while maintaining unthreaded shank strength
• Rockwell C26 hardness delivers excellent wear resistance and durability
• AN8-10 specification compliance ensures consistent quality and reliability for aerospace and industrial use

Professional Applications & Engineering Value

This cadmium-plated steel hex head screw delivers critical performance where vibration resistance and structural integrity are paramount. The 1/2"-20 UNF Class 3A fine threading provides superior engagement in precision assemblies, while the external hex drive enables high-torque installation. The integrated cotter pin locking mechanism effectively prevents rotational loosening in high-vibration environments such as machinery, structural frameworks, and aerospace applications. With 120,000 psi tensile strength and controlled partial threading, this fastener maintains clamp force under extreme loads while the cadmium plating offers reliable corrosion protection in demanding industrial conditions.

Specification Summary & Compliance

Manufactured to exacting AN8-10 specifications with Class 3A thread fit ensuring precision tolerance. Features 1/2"-20 UNF fine thread spacing with right-hand direction and partial threading configuration. The cadmium-plated steel construction meets industrial corrosion protection requirements while maintaining Rockwell C26 hardness and 120,000 psi tensile strength for reliable performance in critical applications.