S-90044A233 2 1/2"-4 x 8" 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.
• Black-oxide coating on alloy steel provides enhanced corrosion resistance and durability in harsh environments.
• Coarse UNC threads allow for quick assembly and secure fastening, reducing installation time.
• 1 3/4" hex drive offers superior torque transmission and minimizes tool slippage during tightening.
• Class 2A thread fit guarantees consistent, precise engagement with mating components for stable connections.
• Partially threaded design enables optimal clamping force distribution and versatility in various setups.
• Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.

Professional Applications & Engineering Value

This socket head cap screw is engineered from black-oxide alloy steel to address critical challenges in heavy-duty machinery, construction, and automotive sectors. Its high tensile strength and Rockwell C37 hardness prevent failure under extreme loads, while the coarse UNC threads facilitate rapid installation in tough materials. The hex drive design ensures efficient torque application, reducing the risk of stripping and enhancing operational safety. Ideal for applications requiring robust fastening solutions, it delivers long-term reliability and minimizes maintenance needs in demanding environments.

Specification Summary & Compliance

This product features precise Class 2A thread fit and UNC coarse threads with a size of 2 1/2"-4, ensuring dimensional accuracy per industry standards. It is manufactured in compliance with ASTM A574 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, providing assurance of quality and safety for professional use.