S-92198A742 1/2"-13 x 9" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional strength and durability provided by 80,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening.
• Optimized for high-speed assembly thanks to the external hex drive and 3/4" head width, allowing for efficient torque application with standard tools.
• Secure and precise fit ensured by the UNC coarse thread with Class 2A fit, reducing the risk of cross-threading and ensuring consistent performance.
• Versatile partial threading design provides a non-threaded shank for enhanced shear strength and alignment in structural connections.
• Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability in professional applications.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This heavy-duty hex head screw is engineered to address critical challenges in construction, machinery assembly, and infrastructure projects. The 18-8 stainless steel material offers excellent resistance to rust and oxidation, making it suitable for applications exposed to moisture, chemicals, or varying temperatures. The 1/2"-13 UNC coarse thread and Class 2A thread fit provide rapid installation and reliable clamping force, minimizing the risk of vibration-induced loosening. The partially threaded design enhances the screw's shear resistance, which is crucial for structural joints where load distribution is key. With an external hex drive and substantial 9" length, it is ideal for heavy-duty fastening in frameworks, industrial equipment, and marine environments, ensuring long-term performance and reduced maintenance needs.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC thread with a coarse spacing and Class 2A thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring consistent quality and interchangeability. The product also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substances.