S-90044A182 3/4"-10 x 5" 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, reducing the risk of fastener failure.
• Superior thread precision with Class 3A fit provides secure, vibration-resistant connections, minimizing loosening in dynamic environments.
• Durable black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life in harsh conditions.
• Coarse UNRC threading allows for quicker assembly and disassembly, saving time and labor costs in maintenance and production.
• 5/8" hex drive design enables high-torque installation with standard tools, ensuring tight, consistent clamping force.
• Full compliance with ASTM A574 guarantees material integrity and manufacturing consistency, meeting rigorous industry standards.
• Rockwell C37 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw is engineered for demanding applications where strength and reliability are critical. The coarse UNRC thread and Class 3A fit deliver superior grip and vibration resistance, making it ideal for heavy machinery, automotive assemblies, and structural frameworks. The fully threaded design ensures uniform stress distribution, reducing the risk of shear failure under extreme loads. With a 170,000 psi tensile strength and Rockwell C37 hardness, it withstands high-impact and cyclic loading, providing long-term durability in industrial environments. The black-oxide surface treatment adds an extra layer of protection against corrosion, extending service life in exposed or humid conditions, while the 5/8" hex drive facilitates efficient installation with common tools, streamlining assembly processes.

Specification Summary & Compliance

This socket head cap screw features a 3/4"-10 thread size with coarse spacing and Class 3A thread fit for precise, secure fastening. Manufactured to ASTM A574 specifications, it ensures consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use in global markets.