S-93190A715 1/2"-13 x 1 3/8" 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, ideal for marine, chemical, and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under significant mechanical stress and vibration.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the service life of your assemblies.
• Coarse UNC thread and Class 2A fit enable quick and easy installation with a standard wrench, reducing assembly time and labor costs.
• Fully threaded design offers maximum grip and holding power along the entire 1-3/8" length for secure connections.
• Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability, ensuring consistent performance and reliability.
• RoHS 3 and REACH compliance confirms the screw is free from hazardous substances, meeting global environmental and safety regulations.

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw is engineered to solve critical challenges in demanding industrial settings. The 316 stainless steel material provides exceptional resistance to corrosion from chemicals, saltwater, and extreme weather, making it a top choice for marine equipment, chemical processing plants, and infrastructure projects. The coarse thread and external hex drive design allow for rapid installation and high torque application with common tools, minimizing the risk of stripping and ensuring a tight, secure fit. With a fully threaded shank and 70,000 psi tensile strength, it delivers uniform clamping force and withstands heavy loads and vibrations, preventing joint failure in machinery, structural frameworks, and heavy-duty assemblies. This combination of material grade and thread form directly addresses issues of fastener degradation, installation efficiency, and long-term reliability in professional engineering applications.

Specification Summary & Compliance

This hex head screw features a 1/2"-13 UNC thread with a Class 2A fit, ensuring precise dimensional tolerances for consistent performance. It is manufactured in accordance with ASME B18.2.1 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards.