S-90044A113 8-32 x 2" ASTM A574 Alloy Steel Socket Head Screws

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 in critical assemblies.
• Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in harsh or humid industrial environments.
• Precise Class 3A thread fit guarantees tight, secure fastening with minimal play, ideal for applications requiring high vibration resistance.
• Full threading along the 2" length provides consistent engagement and clamping force across the entire fastener, enhancing joint integrity.
• Hex socket drive design allows for high-torque installation with standard 9/64" tools, facilitating efficient assembly and disassembly in confined spaces.
• Coarse UNC thread profile enables quick installation and reduces cross-threading risks, saving time in high-volume production settings.
• Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency and environmental safety, meeting rigorous industry and regulatory standards.

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The 8-32 UNC coarse thread with Class 3A fit provides superior holding power in machinery, automotive, and aerospace assemblies, where precision and reliability are paramount. The high tensile strength (170,000 PSI) and Rockwell C37 hardness ensure durability under dynamic loads, while the hex drive design enables secure torque application in tight spaces. Ideal for use in heavy-duty equipment, electronic enclosures, and structural frameworks, this fastener delivers consistent performance, reducing maintenance needs and downtime.

Specification Summary & Compliance

This socket head cap screw features precise Class 3A thread fit per UNC standards, with a coarse thread spacing and right-hand direction. Manufactured in compliance with ASTM A574 for material consistency, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. Dimensions include a 2" length, 0.27" head diameter, and 9/64" hex drive size, providing reliable dimensional accuracy for industrial applications.