S-92240A249 5/8"-11 x 2 3/4" 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 environments and reducing long-term replacement costs.
• Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress loads.
• Optimized for high-torque installation thanks to the external hex drive and standard 15/16" head width, providing a secure grip with common tools.
• Maximum grip and holding power from the fully threaded UNC coarse thread design, ensuring fast engagement and superior pull-out resistance.
• Precise and reliable fit guaranteed by the Class 2A thread fit, minimizing the risk of cross-threading and ensuring consistent assembly quality.
• Broad industrial compatibility as it meets ASME B18.2.1 specifications, making it a dependable choice for standardized applications.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability in your supply chain.

Professional Applications & Engineering Value

This 5/8"-11 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to combat corrosion in demanding settings like marine, chemical processing, and outdoor infrastructure. The coarse thread and fully threaded design enable rapid installation and robust clamping force, which is critical for structural assemblies, heavy machinery, and construction projects where vibration resistance is paramount. Its external hex drive allows for high torque application with standard wrenches, reducing assembly time and improving efficiency. By integrating high tensile strength and precise Class 2A thread fit, this screw minimizes failure risks, extends service life, and ensures consistent performance in industrial hex head bolt applications, delivering long-term engineering value and reliability.

Specification Summary & Compliance

This product adheres to precise dimensional and performance standards, including a Class 2A thread fit for consistent assembly and UNC coarse threads (5/8"-11) for robust engagement. It is manufactured in compliance with the ASME B18.2.1 specification, ensuring interchangeability and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety and environmental compliance for global industrial use.