S-92186A903 7/8"-9 x 8" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• High-strength performance with 70,000 psi tensile strength for demanding industrial applications
• Excellent durability and wear resistance ensured by a Rockwell B70 hardness rating
• Reliable coarse UNC threading for easier, faster assembly and reduced cross-threading risk
• Secure and precise thread engagement with Class 2A thread fit for consistent clamping force
• Optimized for heavy-duty fastening with an 8" length and robust external hex drive
• Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH

Professional Applications & Engineering Value

This 7/8"-9 UNC hex head screw is engineered to solve critical fastening challenges in corrosive and high-stress environments. The 316 stainless steel material provides exceptional resistance to chemicals and saltwater, making it ideal for marine, chemical processing, and offshore applications. The coarse UNC thread and partial threading design ensure rapid installation and superior vibration resistance, preventing loosening in dynamic machinery. With its external hex drive and substantial 8" length, it delivers reliable performance in structural assemblies, heavy equipment, and infrastructure projects where long-term integrity is non-negotiable.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit tolerances for consistent assembly and meets the dimensional requirements of ASME B18.2.1. It is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for global industrial use.