S-92240A538 1/4"-20 x 9/16" 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 mechanical strength with 80,000 PSI tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions.
• Optimized for high torque application thanks to the external hex drive and 7/16" head width, providing a secure grip and preventing tool slippage.
• Enhanced assembly speed and holding power from the coarse UNC thread and fully threaded design, ensuring rapid installation and maximum grip length.
• Precise and reliable thread fit with Class 2A tolerance, guaranteeing consistent performance and ease of assembly in automated or manual processes.
• Broad industry compliance meeting ASME B18.2.1 standards and RoHS/REACH regulations, ensuring safety and environmental responsibility.
• Versatile right-hand threading compatible with standard components, simplifying inventory and replacement in diverse machinery and equipment.

Professional Applications & Engineering Value

This 1/4"-20 UNC Hex Head Screw is engineered to address critical challenges in industrial assembly and maintenance. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for applications in chemical processing, marine equipment, and food machinery where exposure to moisture and corrosive agents is common. The coarse thread spacing and fully threaded design ensure rapid installation and superior vibration resistance, reducing the risk of loosening in dynamic environments. With an external hex drive and robust head dimensions, it allows for high-torque tightening without stripping, which is essential for heavy-duty frameworks, conveyor systems, and structural supports. This screw delivers consistent performance, minimizes downtime, and extends service life in demanding engineering applications.

Specification Summary & Compliance

This product features a 1/4"-20 UNC thread with Class 2A fit for precise dimensional accuracy and easy assembly. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring uniformity and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its adherence to environmental and safety standards for industrial use.