S-92198A755 1/2"-13 x 7 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
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC threads with Class 2A fit enable quick installation and secure fastening in various materials
• External hex drive and 3/4" head width allow for high torque application with standard tools
• Partial threading design offers optimal grip length while reducing weight and material usage
• Full compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw delivers exceptional engineering value for demanding industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor infrastructure projects. The coarse thread pattern ensures reliable performance in soft materials and quick assembly in production environments, while the partial threading design concentrates the clamping force precisely where needed. With 80,000 psi tensile strength and Rockwell B70 hardness, this fastener maintains its integrity under sustained loads and vibration, solving critical challenges in structural steel connections, heavy machinery assembly, and industrial equipment maintenance where failure is not an option.

Specification Summary & Compliance

This heavy-duty hex head screw features precise Class 2A thread fit tolerance for consistent performance and features 1/2"-13 UNC coarse threads with right-hand direction. The fastener meets ASME B18.2.1 dimensional standards and is manufactured to exact specifications with a length of 7 1/2" and minimum thread length of 1 1/2". Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for global industrial applications.