S-94444A122 1/2"-13 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and reducing maintenance costs.
• High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications, minimizing the risk of fastener failure.
• Class 2A thread fit provides consistent assembly and disassembly, enhancing operational efficiency and reducing cross-threading issues.
• Fully threaded design offers maximum grip and uniform load distribution, improving joint integrity in various materials.
• Rockwell B70 hardness delivers excellent wear resistance, extending the screw's service life under repetitive stress.
• External hex drive with 3/4" head width allows for easy installation using standard tools, speeding up assembly processes.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures product reliability and environmental safety, meeting global industry standards.

Professional Applications & Engineering Value

These 1/2"-13 UNC hex head screws are engineered to address common industrial challenges, such as corrosion and mechanical stress in demanding environments. The Black-Oxide 18-8 Stainless Steel material provides superior protection against rust and chemical exposure, making them ideal for outdoor machinery, marine equipment, and chemical processing plants. With a coarse UNC thread and Class 2A fit, they ensure quick, secure fastening in wood, metal, and composite assemblies, reducing installation time and enhancing structural stability. Their fully threaded design and 80,000 psi tensile strength offer consistent performance in high-vibration applications, preventing loosening and maintaining joint integrity for long-term reliability.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy for reliable assembly. It adheres to ASME B18.2.1 manufacturing specifications, with a thread size of 1/2"-13, length of 1 inch, and Rockwell B70 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety regulations for industrial use.