S-90044A524 10-32 x 2 3/4" ASME B18.3, ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust in demanding industrial environments
• Exceptional thread precision with Class 3A fit ensuring reliable, vibration-resistant connections in critical assemblies
• Maximum torque transmission through 5/32" hex drive design that prevents stripping and enables high tightening forces
• Outstanding mechanical strength with 170,000 psi tensile strength and Rockwell C37 hardness for heavy-duty applications
• Enhanced fatigue resistance from UNRF fine thread design that distributes stress more evenly across engaged threads
• Full regulatory compliance meeting ASME B18.3, ASTM A574, RoHS 3, and REACH requirements for global industrial use
• Complete thread engagement with fully threaded design providing consistent clamping force along the entire 2-3/4" length

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw delivers exceptional performance in high-stress applications where precision and reliability are paramount. The Class 3A thread fit provides superior dimensional accuracy for critical assemblies in aerospace, automotive, and heavy machinery, eliminating play and reducing vibration-induced loosening. The UNRF fine thread configuration offers enhanced load distribution compared to coarse threads, making it ideal for thin-section materials and applications requiring frequent disassembly. With 170,000 psi tensile strength and Rockwell C37 hardness, this fastener maintains structural integrity under extreme mechanical loads while the black-oxide surface treatment provides essential corrosion protection in harsh operating environments. The combination of 5/32" hex drive and standardized socket head profile ensures consistent torque application without cam-out, streamlining assembly processes in manufacturing and maintenance operations.

Specification Summary & Compliance

This socket head cap screw features precision Class 3A thread fit with 10-32 UNRF fine thread specifications, ensuring exact dimensional tolerances for critical applications. Manufacturing complies with ASME B18.3 standards and ASTM A574 material specifications for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial use worldwide.