S-92186A959 1 1/8"-7 x 7 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Class 2A thread fit provides consistent assembly and ease of installation while maintaining secure connections.
• External hex drive and hex head design allows for high-torque application and straightforward installation with common tools.
• Coarse UNC threading offers faster installation and reduced risk of cross-threading in various materials.
• Partial threading provides unthreaded shank for enhanced shear strength and precise clamping force distribution.
• Full compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental responsibility for professional use.

Professional Applications & Engineering Value

This 1 1/8"-7 UNC hex head screw in 316 stainless steel delivers exceptional engineering value for demanding industrial applications. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in structural assemblies, heavy machinery, and marine equipment where vibration resistance and load-bearing capacity are critical. The coarse thread design facilitates quick installation in steel frameworks and construction projects, while the partial threading configuration prevents loosening under dynamic loads. Manufactured to ASME B18.2.1 specifications with Class 2A thread fit, this external hex drive fastener provides consistent torque transmission and secure fastening in chemical processing, wastewater treatment, and offshore installations where corrosion resistance is paramount for long-term reliability.

Specification Summary & Compliance

This inch system fastener features precise Class 2A thread fit with 1 1/8"-7 UNC coarse threads and partial threading over a minimum 2 1/2" length. The 7 1/2" length and external hex drive design comply with ASME B18.2.1 manufacturing standards. The screw meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory adherence for industrial distribution and use.