S-90044A514 8-32 x 2 1/2" ASME B18.3, 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 in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies with minimal backlash.
- Hex socket drive design allows for high torque application and easy installation in confined spaces with standard 9/64" tools.
- Fully threaded body offers maximum grip and adjustability across the entire 2-1/2" length for versatile mounting solutions.
- Rockwell C37 hardness maintains structural integrity under heavy loads, preventing deformation during repeated use.
- Industry compliance with ASME B18.3, RoHS 3, and REACH ensures material safety and interoperability with standardized components.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this socket head cap screw combines black-oxide alloy steel construction with UNRC coarse threads to address common engineering challenges like vibration loosening and corrosion. The Class 3A thread fit ensures precise engagement in machinery, automotive, and heavy equipment assemblies, reducing maintenance downtime. Its high tensile strength and Rockwell C37 hardness make it ideal for structural frames, precision instruments, and aerospace components where reliability is critical. The fully threaded design allows uniform load distribution, while the hex drive facilitates quick installation in tight spaces, enhancing assembly efficiency.
Specification Summary & Compliance
This fastener features 8-32 UNRC coarse threads with Class 3A fit per ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. Manufacturing complies with ASTM A574 for material consistency, and the product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety standards for global industrial use.
