S-92186A816 5/8"-11 x 5 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to 316 Stainless Steel construction, ideal for chemical, marine, and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance and joint integrity under significant loads and stress.
• Rockwell B70 hardness provides excellent durability and resistance to wear, extending the fastener's service life.
• Coarse UNC thread and Class 2A fit allow for faster assembly, easier alignment, and reliable performance in a wide range of materials.
• Partially threaded design offers a non-threaded shank for precise clamping and shear strength where needed.
• External hex drive and hex head enable high-torque installation with standard tools, ensuring a secure and tight fit.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility for industrial use.

Professional Applications & Engineering Value

This 5/8"-11 UNC Hex Head Screw is engineered to solve critical challenges in demanding industrial applications. Its 316 Stainless Steel composition provides superior resistance to corrosion from chemicals, saltwater, and extreme weather, making it a top choice for marine equipment, chemical processing plants, and infrastructure projects. The coarse thread (UNC) and Class 2A thread fit ensure quick, reliable installation even in softer materials or where vibration is a concern, reducing assembly time and maintenance. With a partially threaded shank, it delivers optimal clamping force and shear resistance, preventing joint failure in structural connections. The external hex drive allows for high torque application, ensuring a secure fastening that withstands heavy loads and operational stress, enhancing the longevity and safety of your assemblies.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring consistent quality and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial fasteners.