S-94622A246 1/2"-20 x 2 19/32" AN8-24 Cotter Pin-Lockable Hex Head Screws
Cotter Pin-Lockable Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Superior corrosion resistance with cadmium-plated steel construction for extended service life in harsh environments
- Exceptional mechanical strength with 120,000 psi tensile strength and Rockwell C26 hardness for heavy-duty applications
- Precision thread engagement with Class 3A fine UNF threads ensuring reliable, vibration-resistant connections
- Secure locking mechanism featuring integrated cotter pin hole for positive mechanical retention and safety
- Optimized torque transmission through external hex drive design with 3/4" head width for efficient installation
- Versatile partial threading providing both gripping and clearance sections for diverse assembly requirements
- Industry-standard compliance meeting AN8-24 specifications for guaranteed performance in aerospace and industrial applications
Professional Applications & Engineering Value
This cadmium-plated steel hex head screw delivers critical performance where vibration resistance and mechanical security are paramount. The Class 3A UNF fine thread configuration maintains clamping force under dynamic loads, while the cotter pin locking mechanism provides failsafe protection against rotational loosening. Engineered with partial threading and substantial 1 13/16" grip length, it accommodates varying material thicknesses in structural assemblies, machinery, and transportation equipment. The external hex drive enables high-torque installation in confined spaces, making it ideal for maintenance-critical applications requiring AN8-24 specification compliance and reliable long-term performance.
Specification Summary & Compliance
Manufactured to AN8-24 specifications with precision Class 3A thread fit and UNF 1/2"-20 fine threading. Features include cadmium-plated steel construction, Rockwell C26 hardness, and 120,000 psi tensile strength. The fastener incorporates 0.106" cotter pin hole compatible with 3/32" pins and maintains dimensional accuracy per inch system requirements for consistent performance in regulated industrial applications.
