S-92198A895 7/8"-9 x 6" 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 offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
• Optimized for high-torque installation featuring an external hex drive and large 1 5/16" head width for secure tool engagement.
• Enhanced assembly efficiency with coarse UNC threads and Class 2A fit ensuring quick, smooth installation and reduced cross-threading risk.
• Versatile partial threading design providing a strong non-threaded shank for improved shear strength in structural connections.
• Full regulatory compliance meeting ASME B18.2.1 specifications and environmental standards including RoHS 3 and REACH.
• Dimensional precision with consistent 6" length and 2" minimum thread length for reliable, repeatable performance in critical applications.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 7/8"-9 UNC hex head screws deliver exceptional value in construction, heavy machinery, and structural fabrication. The 18-8 Stainless Steel composition provides excellent corrosion resistance, significantly extending service life in challenging environments where moisture and chemicals are present. The coarse thread design ensures rapid assembly in soft materials and reduces the risk of thread stripping, while the partial threading configuration offers superior resistance to vibrational loosening. With 80,000 psi tensile strength and Rockwell B70 hardness, these external hex drive fasteners maintain integrity under extreme loads, making them ideal for critical connections in infrastructure, marine equipment, and industrial machinery where reliability is paramount.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with UNC coarse threading (7/8"-9) and right-hand thread direction. Manufacturing complies with ASME B18.2.1 standards, ensuring dimensional accuracy and interchangeability. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, confirming its suitability for global industrial markets and environmentally conscious operations.