S-92198A830 5/8"-11 x 12" 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 offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions.
• Optimized for efficient assembly featuring a coarse UNC thread and external hex drive for quick installation with standard tools.
• Precise thread engagement with Class 2A fit ensures consistent, secure fastening and reduces the risk of cross-threading.
• Versatile partial threading provides an unthreaded shank for enhanced shear strength and precise clamping in structural applications.
• Compliance with major standards including ASME B18.2.1, guaranteeing dimensional accuracy and interchangeability.
• Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations for safe use in regulated industries.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw is engineered to address critical challenges in heavy-duty industrial applications, including construction, machinery assembly, and structural frameworks. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, extending service life in demanding environments. The partially threaded design concentrates the thread load where it's needed most, preventing loosening under vibration and improving joint integrity. With its coarse thread and external hex drive, it allows for rapid installation and high torque application, reducing assembly time and labor costs while ensuring a secure, reliable connection that meets rigorous ASME B18.2.1 specifications.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit for consistent dimensional accuracy and features a 5/8"-11 UNC coarse thread in a right-hand direction. Manufactured in accordance with ASME B18.2.1 standards, it ensures reliability and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial sectors.