S-90044A282 1-64 x 1/4" 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 applications, reducing the risk of fastener failure
• Precision Class 3A thread fit provides superior engagement and vibration resistance for secure, long-lasting assemblies
• Black-oxide coating on alloy steel offers enhanced corrosion resistance and durability in demanding industrial environments
• Fully threaded design with UNC coarse threads enables faster installation and superior holding power across the entire length
• Hex socket drive compatibility allows for high-torque installation in confined spaces with standard 1/16" hex tools
• Rockwell C37 hardness rating maintains thread integrity and prevents stripping during repeated assembly cycles
• Comprehensive compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental responsibility

Professional Applications & Engineering Value

These black-oxide alloy steel socket head cap screws deliver critical performance advantages for precision machinery, automotive assemblies, and industrial equipment where high tensile strength and vibration resistance are paramount. The 1-64 UNC coarse thread configuration combined with Class 3A thread fit ensures rapid installation while maintaining precise alignment in threaded holes. The black-oxide surface treatment provides essential corrosion protection without compromising dimensional accuracy, making these socket screws ideal for applications requiring both chemical resistance and mechanical reliability. The fully threaded design offers maximum grip length for securing components in tight-tolerance assemblies, while the hex drive system enables high torque application in space-constrained environments common in OEM manufacturing and maintenance operations.

Specification Summary & Compliance

These socket head cap screws feature precision Class 3A thread fit with 1-64 UNC coarse threads and right-hand thread direction. Manufacturing complies with ASTM A574 specification for alloy steel socket head cap screws, ensuring consistent quality and performance. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming they contain no restricted substances above permitted thresholds. Dimensional accuracy is maintained throughout production with standard socket head profile and fully threaded rod type configuration.