S-90044A170 1/2"-13 x 6" 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, reducing the risk of fastener failure.
• Class 3A thread fit provides tighter tolerances for superior engagement and vibration resistance in demanding applications.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life in harsh industrial environments.
• Fully threaded design allows for maximum grip and adjustability along the entire 6" length, simplifying installation.
• Hex socket drive with 3/8" drive size enables high-torque application and secure, flush mounting in confined spaces.
• UNC coarse threading facilitates quicker assembly and reduces cross-threading risks, improving efficiency.
• Rockwell C37 hardness ensures durability and wear resistance, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

Engineered for high-stress industrial applications, these socket head cap screws are ideal for machinery, automotive assemblies, and heavy equipment where vibration resistance and load-bearing capacity are critical. The black-oxide alloy steel construction combats rust and wear, while the fully threaded UNC coarse thread design ensures rapid, secure fastening even in high-vibration environments. With a Class 3A thread fit, these screws deliver precise alignment and reduced loosening, minimizing maintenance downtime and enhancing operational reliability in sectors like manufacturing, construction, and aerospace.

Specification Summary & Compliance

This socket head cap screw features a 1/2"-13 UNC coarse thread with Class 3A fit for high precision, and is manufactured to meet ASTM A574 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for global industrial use.