S-92240A552 1/4"-20 x 2 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel, ideal for harsh environments and long-term reliability.
• Exceptional mechanical strength with 80,000 PSI tensile strength and Rockwell B70 hardness for demanding applications.
• Reliable and quick assembly with a coarse UNC thread and Class 2A fit, ensuring smooth engagement and vibration resistance.
• Secure and easy installation using a standard external hex drive and hex head design for high torque application.
• Full-threaded design provides consistent holding power along the entire 2-1/2" length for maximum grip.
• Compliance with industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this 18-8 stainless steel hex head screw delivers outstanding performance where corrosion resistance and high strength are critical. The coarse UNC thread and Class 2A thread fit facilitate rapid installation and provide excellent resistance to loosening under vibration, making it ideal for machinery, construction, and automotive assemblies. Its fully threaded design ensures uniform stress distribution and reliable fastening in thick materials. The external hex drive allows for high torque application with common tools, reducing assembly time and improving efficiency in production lines.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and regulatory adherence for global supply chains.