S-92800A387 3/8"-16 x 6 1/2" 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
• High torque application capability through external hex drive design for secure tightening and removal
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Reliable thread engagement with Class 2A thread fit and coarse UNC threading for faster assembly and vibration resistance
• Full threading along 6½" length provides maximum grip and load distribution across the entire fastener
• Compliance with environmental regulations including RoHS 3 and REACH for safe use in regulated industries
• Right-hand thread direction ensures standard installation compatibility across industrial applications

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers exceptional performance in demanding industrial settings where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor applications. The external hex drive design allows for high-torque installation using standard tools, ensuring secure fastening in heavy machinery, structural steel connections, and equipment assembly. The coarse thread spacing enables quicker installation and superior vibration resistance compared to fine-thread alternatives, while the fully threaded design maximizes load distribution across the entire 6½" length. These engineering features combine to create a reliable heavy-duty fastener solution that reduces maintenance frequency and extends service life in critical applications.

Specification Summary & Compliance

This hex head screw features precision UNC coarse threading with Class 2A thread fit tolerance for reliable engagement and consistent performance. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 80,000 psi tensile strength, it meets industrial standards for mechanical performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance across global markets. All dimensions conform to inch system specifications with right-hand thread direction for standard industrial applications.