S-92240A244 1/2"-13 x 3 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Superior load-bearing capacity thanks to an 80,000 PSI tensile strength, ensuring reliable performance under high stress.
• Optimized for quick assembly with UNC coarse threading and a Class 2A fit, providing easier engagement and reduced cross-threading risk.
• Maximum grip and holding power from being fully threaded along the entire 3 3/4" length, offering consistent clamping force.
• Durable and wear-resistant with a Rockwell B70 hardness, maintaining thread integrity through repeated use.
• Efficient installation and removal using a standard 3/4" external hex drive, compatible with common wrenches for high-torque applications.
• Guaranteed material safety and compliance meeting RoHS 3 and REACH regulations, ensuring no hazardous substances are present.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is engineered to solve critical fastening challenges in demanding sectors like heavy machinery, structural fabrication, and marine equipment. The 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, which is vital for applications exposed to moisture, chemicals, or extreme temperatures. The coarse thread spacing and Class 2A thread fit ensure rapid assembly with a reduced risk of stripping, making it ideal for high-vibration environments where fastener integrity is paramount. Its fully threaded design and external hex drive allow for uniform stress distribution and secure tightening, delivering long-term reliability in industrial hex screw applications without compromising on performance or safety standards.

Specification Summary & Compliance

This product adheres to ASME B18.2.1 dimensional standards, ensuring precise manufacturing and interchangeability. The threads are manufactured to UNC coarse spacing with a Class 2A thread fit, providing standard tolerance for general-purpose use. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The screw is right-hand threaded and fully threaded from head to tip, with a length of 3 3/4", head width of 3/4", and head height of 5/16".