S-93190A721 1/2"-13 x 2 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity under stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Class 2A thread fit offers consistent, easy assembly while maintaining secure fastening
• Fully threaded design allows for maximum grip and adjustability across the entire 2 1/4" length
• External hex drive and 3/4" head width enable high-torque installation with standard tools
• Coarse UNC thread facilitates quick installation and reduces cross-threading risks

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw in 316 stainless steel is engineered to solve critical challenges in demanding industrial applications. Its exceptional corrosion resistance makes it ideal for marine equipment, chemical processing plants, and food processing machinery where moisture and corrosive agents are prevalent. The coarse thread design ensures reliable performance in soft materials and high-vibration environments, while the external hex drive provides superior torque transmission for secure installations. With fully threaded construction and Class 2A thread fit, this fastener delivers consistent clamping force and eliminates the need for multiple component types, streamlining inventory and assembly processes in heavy machinery, structural frameworks, and industrial equipment manufacturing.

Specification Summary & Compliance

This hex head screw features precision 1/2"-13 UNC coarse threads with Class 2A thread fit tolerance, ensuring consistent dimensional accuracy. Manufactured to ASME B18.2.1 specifications, the fastener maintains strict quality standards for dimensional uniformity and performance. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, meeting the latest environmental and safety standards for industrial components. The inch system measurements, including the 2 1/4" length and 3/4" head width, adhere to standardized industrial specifications for reliable interchangeability and installation.