S-90124A341 3/4"-10 x 2" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws
Steel Wire-Lockable Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- High tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Corrosion-resistant black-oxide steel provides enhanced durability and longevity in harsh industrial environments.
- Grade 5 classification guarantees consistent mechanical properties and load-bearing capacity for structural integrity.
- Coarse UNC threading allows for faster installation and better grip in a wide range of materials, improving assembly efficiency.
- External hex drive design offers secure tool engagement and high torque application, minimizing stripping and slippage.
- Full threading along the 2" length ensures maximum holding power and adjustability in various joint configurations.
- Compliance with ASME B18.2.1 and RoHS 3 assures quality, safety, and environmental standards are met for global industrial use.
Professional Applications & Engineering Value
This Grade 5 black-oxide steel hex head screw is engineered to address critical challenges in heavy machinery, construction, and automotive assemblies where vibration resistance and high clamp load are essential. The coarse UNC thread and Class 2A fit provide excellent engagement in both metal and composite materials, reducing cross-threading risks and enabling quick disassembly for maintenance. With a Rockwell C25 hardness and robust external hex drive, it withstands repetitive torque without deformation, making it ideal for structural frames, equipment mounts, and other industrial applications requiring dependable, long-term fastening solutions under stress.
Specification Summary & Compliance
This fastener features a 3/4"-10 UNC coarse thread with Class 2A tolerance for precise fit, fully threaded along a 2" length. It meets ASME B18.2.1 and SAE J429 specifications for dimensional accuracy and mechanical properties, and is RoHS 3 (2015/863/EU) compliant, ensuring it adheres to strict environmental and safety regulations in industrial use.
