S-92198A975 1 1/2"-6 x 7 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 80,000 PSI provides superior load-bearing capacity for demanding structural and heavy machinery applications.
• Rockwell B70 hardness offers excellent resistance to wear and deformation, extending the screw's service life.
• Coarse UNC thread and Class 2A fit enable faster, easier installation and reliable engagement in a variety of materials.
• Large 2 1/4" hex head and external drive allows for high-torque installation with standard tools, reducing assembly time.
• Partial threading design provides optimal clamping force for applications requiring a strong, unthreaded shank section.
• Full compliance with ASME B18.2.1, RoHS 3, and REACH ensures consistent quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This heavy-duty hex head screw is engineered to solve critical fastening challenges in industrial settings. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it ideal for outdoor infrastructure, chemical processing equipment, and marine applications where moisture and corrosive agents are present. The coarse 1 1/2"-6 UNC thread ensures rapid assembly and secure holding power in wood, metal, and composite structures, reducing labor time. With an 80,000 PSI tensile strength and Rockwell B70 hardness, it withstands extreme vibrational loads and mechanical stress in heavy machinery, construction frameworks, and transportation equipment. The partial threading offers superior clamp load distribution, preventing joint loosening and maintaining structural integrity in high-stress connections.

Specification Summary & Compliance

This screw features a 1 1/2"-6 UNC coarse thread with Class 2A thread fit for standard tolerance and interchangeability. It is manufactured in compliance with the ASME B18.2.1 standard, ensuring dimensional accuracy and mechanical performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.