S-92800A420 5/8"-18 x 2 1/2" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and stress.
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening in critical applications.
• Fully threaded design provides maximum grip and uniform load distribution along the entire length.
• External hex drive and hex head allow for easy installation with standard tools, reducing assembly time.
• Rockwell B70 hardness offers excellent durability and resistance to wear and deformation.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This 5/8"-18 UNF hex head screw in 18-8 stainless steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. Its fully threaded configuration and UNF fine threading provide superior holding power in machinery, automotive assemblies, and structural frameworks, minimizing the risk of failure. The external hex drive facilitates quick, tool-friendly installation, while the Class 2A fit ensures precise alignment and repeatability in manufacturing processes. Ideal for applications requiring corrosion-resistant and heavy-duty fasteners, it enhances longevity and reduces maintenance costs in demanding environments.

Specification Summary & Compliance

This screw adheres to UNF thread standards with a Class 2A fit for dimensional accuracy and smooth engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for industrial use. Manufacturing specifications include a right-hand thread direction, fine thread spacing, and full compliance with general engineering requirements for reliability and safety.