S-92198A887 3/4"-10 x 20" 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 and outdoor applications.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress loads.
• Secure and easy installation provided by the external hex drive and 1 1/8" head width, allowing for high torque application with standard tools.
• Optimized thread engagement through the Class 2A thread fit and coarse UNC thread, ensuring consistent clamping force and vibration resistance.
• Versatile partial threading design with a minimum 2" thread length, offering flexibility for applications requiring a non-threaded shank.
• Full regulatory compliance with ASME B18.2.1 standards, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.
• Dimensional precision in the inch system with a 20" length, providing exact fitment for large-scale assembly projects.

Professional Applications & Engineering Value

This heavy-duty hex head screw is engineered to solve critical challenges in structural fabrication, machinery assembly, and construction. The 18-8 Stainless Steel material delivers excellent resistance to rust and chemical exposure, extending service life in demanding conditions like marine or chemical processing plants. The partially threaded design with coarse UNC threads ensures rapid assembly and superior grip in wood, metal, and composite materials, reducing the risk of cross-threading. With an external hex drive and substantial head dimensions, it accommodates high-torque tools for efficient installation in confined or high-vibration environments, making it a reliable choice for industrial fastening where durability and precision are paramount.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit tolerances and UNC coarse thread specifications, ensuring dimensional accuracy and interchangeability. Manufacturing and quality are governed by ASME B18.2.1 standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for industrial use.