S-92198A286 1 1/2"-6 x 6 1/2" ASME B18.2.1 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 load-bearing capacity thanks to 80,000 psi tensile strength and Rockwell B70 hardness
• Reliable fastening and easy installation with a large 2 1/4" external hex head for high-torque applications
• Optimized thread engagement through Class 2A thread fit and coarse UNC threading for secure connections
• Versatile partial threading design allows for precise clamping control in various assembly scenarios
• Long-term durability ensured by compliance with RoHS 3 and REACH environmental regulations
• Industry-standard compatibility with ASME B18.2.1 specifications for consistent performance

Professional Applications & Engineering Value

This heavy-duty hex head screw delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel material prevents rust in demanding environments like chemical processing, marine equipment, and outdoor infrastructure. Its 1 1/2"-6 UNC coarse thread and Class 2A thread fit provide excellent vibration resistance and quick assembly in structural steel connections, machinery bases, and heavy equipment manufacturing. The partially threaded design concentrates clamping force precisely where needed, while the substantial 2 1/4" hex head accommodates high-torque tools for efficient installation in confined spaces. Engineered to meet ASME B18.2.1 standards, this fastener ensures reliable performance in critical industrial applications requiring predictable mechanical properties.

Specification Summary & Compliance

This hex head screw features Class 2A thread fit tolerances and 1 1/2"-6 UNC coarse thread specifications according to ASME standards. Manufacturing complies with ASME B18.2.1 dimensional requirements, ensuring precise 6 1/2" length and 3 1/4" minimum thread length. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial fastener applications.