S-90344A122 8-32 x 1" ASTM A574 Socket Head Screws with Flat Washer

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications, reducing failure risks.
• Class 3A thread fit provides precise, tight fastening with minimal play, enhancing assembly accuracy and vibration resistance.
• Black-oxide finish on alloy steel offers superior corrosion resistance, extending service life in harsh environments.
• Integrated flat washer distributes load evenly, preventing surface damage and maintaining joint integrity under repeated use.
• Rockwell C39 hardness delivers excellent wear resistance, ensuring durability in demanding mechanical setups.
• Hex socket drive design allows for easy installation in confined spaces with standard tools, improving efficiency.
• Full threading enables consistent engagement along the entire length, providing versatile fastening solutions.

Professional Applications & Engineering Value

Engineered for precision and endurance, these 8-32 UNC thread socket head cap screws with a black-oxide alloy steel construction address common industrial challenges like vibration loosening and corrosion. The coarse thread spacing and Class 3A fit ensure quick, secure fastening in machinery, automotive, and aerospace assemblies, where alignment and strength are critical. Paired with a flat washer, they minimize stress concentration on surfaces, ideal for repeated disassembly in maintenance-heavy environments. This combination of high tensile strength and compliant standards makes them a trusted choice for engineers seeking reliability in industrial socket screw applications.

Specification Summary & Compliance

This product adheres to UNC thread standards with a Class 3A thread fit for precise tolerances, and is manufactured under ASTM A574 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory alignment for global industrial use.