S-90044A255 5-44 x 3/4" 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
• Superior corrosion resistance provided by black-oxide coating for extended service life in demanding environments
• Precision Class 3A thread fit guarantees secure fastening with minimal vibration loosening
• Fine UNF threading delivers enhanced holding power and superior vibration resistance
• Rockwell C37 hardness maintains structural integrity through repeated installation cycles
• Fully threaded design allows for maximum engagement and uniform stress distribution
• Hex socket drive enables high-torque installation in confined spaces

Professional Applications & Engineering Value

These black-oxide alloy steel socket head cap screws with 5-44 UNF fine threading solve critical engineering challenges in precision assemblies. The combination of 170,000 psi tensile strength and Class 3A thread fit addresses vibration-induced loosening in machinery, automotive, and aerospace applications. The black-oxide surface treatment provides essential corrosion protection while maintaining dimensional stability. The fully threaded design ensures maximum load distribution, making these fasteners ideal for high-stress joints where reliability is paramount. The hex socket drive facilitates installation in tight spaces without compromising torque application capabilities.

Specification Summary & Compliance

Manufactured to ASTM A574 specifications with precision Class 3A thread fit and UNF fine thread standards. These socket head cap screws feature exact dimensional control with 5-44 thread size and 3/4" length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.