S-92186A957 1 1/8"-7 x 6 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial and marine environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications
• Rockwell B70 hardness provides excellent durability and resistance to deformation under stress
• UNC coarse threading with Class 2A fit offers faster assembly and reduced cross-threading risk
• External hex drive design allows for high-torque installation using standard tools
• Partial threading configuration optimizes grip strength while minimizing material usage
• Compliance with ASME B18.2.1 standards guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

This heavy-duty hex head screw in 316 Stainless Steel addresses critical engineering challenges in corrosive and high-stress environments. The UNC coarse thread design with Class 2A thread fit ensures rapid installation while maintaining precise tolerances, reducing assembly time in industrial maintenance and construction projects. The combination of 70,000 psi tensile strength and Rockwell B70 hardness provides exceptional resistance to mechanical stress and environmental degradation, making it ideal for structural applications, marine equipment, chemical processing installations, and heavy machinery where reliability is paramount. The external hex drive facilitates secure fastening in confined spaces, while the partial threading optimizes clamping force distribution.

Specification Summary & Compliance

This 1 1/8"-7 UNC hex head screw features precise Class 2A thread fit tolerances and complies with ASME B18.2.1 manufacturing specifications. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring environmental compliance for industrial applications worldwide. With dimensions of 6 1/2" length, 1 11/16" head width, and minimum 2 1/2" thread length, this coarse thread fastener maintains consistent performance across demanding installation conditions.