S-92198A157 1 1/8"-7 x 5 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Superior load-bearing capacity with 80,000 psi tensile strength for heavy-duty applications
• Reliable fastening performance due to Rockwell B70 hardness and Class 2A thread fit
• Quick installation and removal with external hex drive and coarse UNC threading
• Optimized strength-to-weight ratio through partial threading design
• Enhanced durability in demanding conditions with compliance to ASME B18.2.1 standards
• Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these 1 1/8"-7 UNC hex head screws deliver exceptional performance in construction, machinery assembly, and structural frameworks. The 18-8 Stainless Steel material provides excellent corrosion resistance, while the coarse thread design ensures secure fastening in high-vibration environments. With 80,000 psi tensile strength and Rockwell B70 hardness, these partially threaded fasteners maintain integrity under extreme loads. The external hex drive allows for efficient installation using standard tools, reducing assembly time and labor costs in industrial settings.

Specification Summary & Compliance

This 5 1/2" length hex head screw features Class 2A thread fit with 1 1/8"-7 UNC coarse threading and right-hand thread direction. Manufactured to ASME B18.2.1 specifications with Rockwell B70 hardness and 80,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.