S-94622A242 1/2"-20 x 1 11/32" AN8-12 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 plating, extending service life in harsh industrial environments.
- Exceptional mechanical strength with 120,000 psi tensile strength and Rockwell C26 hardness for reliable performance under high stress.
- Precise thread engagement with Class 3A fit and UNF fine threading, ensuring secure, vibration-resistant connections.
- Enhanced safety and retention through cotter pin locking and a partially threaded design, preventing accidental loosening.
- Easy installation and removal with an external hex drive and standard 3/4" head width, compatible with common tools.
- Rigorous quality assurance by meeting AN8-12 specifications, ideal for demanding applications like aerospace and heavy machinery.
- Optimized grip and length with a 9/16" grip length and 1 11/32" overall length, providing versatile fastening solutions.
Professional Applications & Engineering Value
Engineered for high-stress industrial applications, this cadmium-plated steel hex head screw delivers unmatched durability and reliability. The Class 3A thread fit and UNF fine threading minimize the risk of vibration-induced loosening, making it ideal for machinery, structural assemblies, and aerospace fasteners where precision is critical. The partially threaded design and cotter pin locking mechanism enhance safety by securing components under dynamic loads. With a robust 120,000 psi tensile strength, it withstands extreme forces while the cadmium plating resists corrosion, reducing maintenance costs and downtime in demanding environments.
Specification Summary & Compliance
This screw adheres to AN8-12 specifications and features a Class 3A thread fit for high precision. It complies with the inch measurement system, with a thread size of 1/2"-20 UNF and fine thread spacing. The product meets industry standards for heavy-duty use, including compatibility with RoHS and REACH regulations, ensuring environmental and safety compliance in global markets.
