S-92240A478 5/8"-18 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable performance in demanding heavy-duty applications
• Precision Class 2A thread fit guarantees smooth assembly and consistent clamping force
• Fine UNF thread design provides better vibration resistance and improved load distribution
• External hex drive with 15/16" head width enables high-torque installation with standard tools
• Full threading along 1" length offers maximum grip range and installation flexibility
• Comprehensive compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality and environmental safety

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications where corrosion resistance and mechanical reliability are critical, these 5/8"-18 UNF hex head screws deliver exceptional performance in challenging environments. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical exposure, while the fine thread configuration maintains secure fastening under vibration and dynamic loads. The external hex drive design allows for high-torque installation, making these fully threaded screws ideal for machinery assembly, structural frameworks, and equipment manufacturing where Class 2A thread fit precision ensures consistent performance and reduced assembly time.

Specification Summary & Compliance

This 5/8"-18 UNF hex head screw features precise Class 2A thread fit tolerances with fine thread spacing and right-hand threading. Manufactured to ASME B18.2.1 specifications with 80,000 psi tensile strength and Rockwell B70 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across various industrial sectors.