S-92800A343 1 1/8"-7 x 12" 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
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Reliable coarse threading (UNC 1 1/8"-7) ensures secure fastening and easier installation in tough materials
• Precision thread fit (Class 2A) guarantees consistent performance and reduces assembly issues
• Optimized partial threading provides superior clamping force where needed while reducing material usage
• External hex drive design enables high-torque installation with standard tools for efficient maintenance
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence

Professional Applications & Engineering Value

This heavy-duty hex head screw delivers critical performance in demanding industrial settings 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 construction applications. The coarse UNC thread design ensures rapid installation and superior holding power in softer materials or where vibration resistance is crucial. With its external hex drive and Class 2A thread fit, this fastener enables precise torque application and reliable performance in structural connections, machinery assembly, and infrastructure projects where failure is not an option. The partially threaded configuration concentrates clamping force exactly where needed, optimizing both performance and material efficiency.

Specification Summary & Compliance

This precision fastener features Class 2A thread fit tolerance per UNC standards, ensuring consistent engagement and reliable performance. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and restricted substance compliance. The inch system measurements maintain precise dimensional accuracy with 1 1/8"-7 UNC coarse threads, 12" length, and right-hand thread direction for standardized industrial applications.