S-92198A810 5/8"-11 x 4" 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.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and prevents fastener failure.
• External hex drive design allows for high-torque installation and removal with standard tools, speeding up assembly.
• Class 2A thread fit provides consistent, reliable engagement for easier assembly and reduced risk of cross-threading.
• Partially threaded shank offers unthreaded grip length for precise clamping force on materials without thread damage.
• Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability with other standard components.
• RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory standards for industrial use.

Professional Applications & Engineering Value

This 5/8"-11 UNC Hex Head Screw is engineered for demanding applications where corrosion resistance and structural integrity are critical. Made from 18-8 Stainless Steel, it withstands corrosive environments in marine, chemical processing, and construction settings, reducing maintenance costs. The coarse UNC thread and Class 2A fit ensure quick, secure fastening in metals and composites, minimizing assembly time. With an external hex drive, it delivers maximum torque transfer for heavy-duty connections in machinery, structural frames, and equipment assembly. Its partially threaded design provides a smooth shank for precise joint clamping, preventing loosening under vibration. Ideal for industrial fastening, this screw meets ASME B18.2.1 standards, ensuring reliability in OEM and MRO applications.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring consistent quality and performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms adherence to environmental and safety regulations, making it suitable for global industrial supply chains.