S-93190A722 1/2"-13 x 2 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• High-strength performance with a 70,000 psi tensile strength for demanding applications
• Excellent durability and material integrity ensured by Rockwell B70 hardness
• Reliable and easy assembly with a coarse UNC thread and Class 2A fit for quick installation
• Secure, high-torque fastening enabled by the external hex drive and 3/4" head width
• Full-length threading provides consistent grip and holding power across the entire 2 1/2" length
• Compliance with major industry standards including ASME B18.2.1, RoHS, and REACH

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw is engineered to solve critical challenges in industrial and marine settings where corrosion resistance and structural integrity are paramount. Made from 316 stainless steel, it withstands exposure to chemicals, saltwater, and extreme weather, preventing fastener failure and reducing maintenance costs. The coarse thread design and Class 2A thread fit ensure rapid, reliable installation even in high-vibration environments, while the external hex drive allows for high torque application with standard tools. Ideal for construction, machinery, and offshore equipment, this fully threaded screw delivers long-term durability and performance where other fasteners might corrode or loosen.

Specification Summary & Compliance

This fastener features a 1/2"-13 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and interchangeability. It is manufactured to meet ASME B18.2.1 specifications, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it is free of restricted hazardous substances and safe for use in regulated markets.