S-92240A264 1 1/8"-7 x 2 1/2" 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 long-term reliability.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for demanding, high-stress applications.
• Easy and secure installation provided by the external hex drive and 1 11/16" head width, allowing for high torque application.
• Reliable and quick assembly due to the coarse UNC thread and Class 2A fit, ensuring consistent engagement and reduced cross-threading risk.
• Full thread coverage along the 2 1/2" length maximizes grip and load distribution in connected materials.
• Compliance with major standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict international regulations.

Professional Applications & Engineering Value

This 1 1/8"-7 UNC hex head screw is engineered for heavy-duty industrial applications where high tensile strength and corrosion resistance are critical. The 18-8 Stainless Steel material prevents rust and degradation in demanding environments like chemical processing, marine hardware, and outdoor construction. Its coarse thread design and Class 2A thread fit facilitate faster assembly and provide reliable performance in materials where fine threads might strip or fail. The external hex drive and substantial head size allow for high torque application, making it suitable for structural connections, machinery assembly, and large-scale fabrication projects that require durable, long-lasting stainless steel fasteners.

Specification Summary & Compliance

This screw features a 1 1/8"-7 UNC thread with Class 2A dimensional tolerance, ensuring precise fit and interchangeability. It is manufactured in compliance with the ASME B18.2.1 standard for hex head screws. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.