S-90044A421 8-32 x 11/16" ASME B18.3, ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications.
• Superior corrosion resistance from the black-oxide finish extends service life in harsh environments.
• Precise Class 3A thread fit guarantees secure fastening and vibration resistance in critical assemblies.
• High hardness rating (Rockwell C37) provides excellent wear resistance and durability under heavy loads.
• Hex drive design allows for easy installation and high torque application with standard tools.
• Fully threaded body offers maximum grip and adjustability across the entire length.
• Compliance with ASME B18.3 ensures dimensional accuracy and interchangeability in professional settings.

Professional Applications & Engineering Value

These 8-32 thread socket head cap screws are engineered for demanding industrial applications where reliability is paramount. The black-oxide alloy steel construction provides superior corrosion resistance, making them ideal for machinery, automotive, and aerospace components exposed to harsh conditions. The coarse UNRC thread and Class 3A fit ensure quick assembly and secure fastening in high-vibration environments, reducing maintenance needs. With their hex drive socket head design, they enable efficient installation in confined spaces while maintaining structural integrity under extreme loads, solving common challenges in precision engineering and heavy-duty manufacturing.

Specification Summary & Compliance

This product features precise Class 3A thread fit with UNRC coarse thread spacing and right-hand thread direction. Manufactured to ASME B18.3 specifications using ASTM A574 material standards. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.