S-92800A290 5/8"-18 x 8" 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 reducing maintenance costs
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress loads
• Precise and secure fastening ensured by the Class 2A thread fit and UNF fine thread profile, minimizing the risk of loosening
• Optimized for specific assembly needs with partial threading, allowing for unthreaded shank sections where shear strength is critical
• Easy installation and removal with a standard external hex drive and 15/16" head width for common wrench compatibility
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for regulated industries
• Durable, long-lasting performance in demanding applications due to the combination of high-grade material and robust design

Professional Applications & Engineering Value

This 5/8"-18 UNF hex head screw is engineered to address critical challenges in industrial assembly, such as vibration resistance and material degradation. The 18-8 Stainless Steel provides excellent corrosion resistance, making it suitable for outdoor, marine, or chemical-exposed environments. The UNF fine thread and Class 2A thread fit offer superior holding power and precision, reducing the likelihood of thread stripping in softer materials or under dynamic loads. The partially threaded design enhances shear strength along the unthreaded shank, ideal for structural connections in machinery, construction, and heavy equipment. Its external hex drive ensures straightforward installation with standard tools, streamlining maintenance and assembly processes in B2B settings.

Specification Summary & Compliance

This 8" hex head screw adheres to inch system measurements with a Class 2A thread fit for standard UNF fine thread applications. It meets manufacturing specifications for dimensional accuracy and performance, including a thread size of 5/8"-18 and a minimum thread length of 1 3/4". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.