S-92800A356 1 3/8"-6 x 3 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
• Exceptional tensile strength of 80,000 psi ensures reliable performance under heavy loads
• Rockwell B70 hardness provides excellent durability and resistance to wear
• Class 2A thread fit offers consistent assembly with standard UNC nuts and tapped holes
• Fully threaded coarse spacing enables faster installation and superior holding power
• External hex drive design allows for high-torque application with common tools
• Compliance with RoHS 3 and REACH regulations ensures environmental and safety standards are met

Professional Applications & Engineering Value

These heavy-duty hex head screws deliver exceptional performance in demanding industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making them ideal for marine, chemical processing, and outdoor construction applications. The coarse UNC threading and Class 2A fit ensure reliable engagement even in materials prone to vibration or thermal expansion. With 80,000 psi tensile strength and Rockwell B70 hardness, these fully threaded hex bolts maintain clamping force under extreme conditions, preventing joint failure in structural assemblies, heavy machinery, and infrastructure projects where safety and longevity are critical.

Specification Summary & Compliance

This 1 3/8"-6 UNC hex head screw features precision Class 2A thread fit with coarse spacing and right-hand threading. The fastener maintains dimensional accuracy per UNC standards with a length of 3 1/2" and external hex drive configuration. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for global industrial applications.