S-92240A734 1/2"-13 x 5 1/2" 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 mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness, providing reliable performance under high-stress conditions.
• Fast and secure assembly enabled by the external hex drive and 3/4" head width, allowing for high torque application with standard tools.
• Optimized thread engagement from the 1/2"-13 UNC coarse thread and Class 2A fit, ensuring consistent, vibration-resistant connections.
• Full-length threading along the 5-1/2" length offers maximum grip and adjustability in a wide range of material thicknesses.
• Guaranteed dimensional consistency and interchangeability by conforming to the rigorous ASME B18.2.1 standard.
• Safe for regulated industries with compliance to RoHS 3 and REACH, 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, construction, and structural fabrication. The 18-8 Stainless Steel material provides excellent resistance to oxidation and corrosion, significantly extending service life in environments exposed to moisture and chemicals. The combination of a coarse thread and Class 2A thread fit facilitates quicker installation and provides a robust, reliable hold, even in softer materials or where slight misalignments occur. The external hex drive and substantial head size allow mechanics to apply the necessary torque for a secure, permanent joint without stripping. This screw is a fundamental component for assemblies requiring high tensile strength and long-term durability, reducing maintenance frequency and downtime.

Specification Summary & Compliance

This hex head screw features a 1/2"-13 UNC thread with a Class 2A thread fit, ensuring standard-compliant dimensional accuracy and ease of assembly. Manufacturing and dimensional specifications strictly conform to ASME B18.2.1. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in markets with strict environmental and safety standards.