S-91251A994 10-24 x 5 1/4" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket 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
- Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish prolongs service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections, enhancing assembly integrity.
- Hex socket drive design allows for easy installation and removal in confined spaces, improving installation efficiency.
- Partially threaded shank provides optimal grip and alignment, preventing loosening in dynamic applications.
- High hardness (Rockwell C37) offers excellent wear resistance, ensuring durability through repeated use.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting global regulatory standards.
Professional Applications & Engineering Value
This 10-24 UNC Socket Head Cap Screw is engineered to address critical challenges in industrial and mechanical assemblies. Made from black-oxide alloy steel, it delivers superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor conditions. The coarse UNC thread and Class 3A fit provide a tight, reliable connection that resists vibration and loosening, essential for machinery, automotive, and aerospace components. With a partially threaded design and high tensile strength, it ensures precise clamping force distribution, reducing stress concentrations and enhancing structural integrity in heavy-duty setups.
Specification Summary & Compliance
This screw adheres to Class 3A thread fit for precise dimensional accuracy and meets ASTM A574 specifications for high-strength alloy steel fasteners. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory alignment. The product features a coarse UNC thread with a minimum thread length of 7/8", supporting reliable performance in standardized industrial applications.
