S-92186A975 1 1/4"-7 x 7" 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 environments and extended service life
• High-strength performance offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, heavy-duty fastening
• Excellent thread engagement with coarse UNC threading and Class 2A fit, ensuring easy installation and secure hold
• Optimized for high-torque applications featuring a large 1 7/8" external hex head for superior drive stability
• Reduced weight and material usage through partial threading, maintaining strength while improving efficiency
• Guaranteed dimensional consistency and interchangeability by complying with ASME B18.2.1 specifications
• Safe for regulated industries with full RoHS 3 and REACH compliance, meeting global environmental standards

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 316 stainless steel hex head screws provide exceptional corrosion resistance in chemical processing, marine, and outdoor environments where moisture and corrosive agents are prevalent. The coarse UNC thread and Class 2A thread fit enable rapid assembly and disassembly, reducing labor time in maintenance and structural fastening. With a 7-inch length and partial threading, they offer optimal clamp load distribution for thick materials and assemblies, preventing joint failure under vibration and dynamic loads. The external hex drive and large head size allow for high torque application, making them ideal for heavy machinery, construction, and infrastructure projects requiring reliable, long-lasting fastening solutions.

Specification Summary & Compliance

This 1 1/4"-7 UNC hex head screw features a Class 2A thread fit per unified inch standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing and dimensional requirements strictly adhere to ASME B18.2.1 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting global supply chain environmental safety protocols.