S-97149A779 1 1/8"-7 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Reliable thread engagement with Class 2B thread fit, ensuring consistent fastening performance
• Quick assembly efficiency due to coarse UNC threading, reducing installation time
• Durable external hex drive provides secure tool grip and withstands high torque applications
• Standard hex nut profile offers compatibility with common wrenches and sockets
• Environmental compliance with RoHS 3 and REACH standards, meeting global regulatory requirements
• Robust dimensional stability with precise 1 1/8"-7 thread size and 1 11/16" width for secure fits

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered to address critical challenges in industrial settings, where corrosion and vibration can compromise fastener integrity. The Black-Oxide 18-8 Stainless Steel material provides a protective layer that significantly extends service life in moist or chemically aggressive environments, reducing maintenance costs. Its coarse UNC thread and Class 2B thread fit ensure rapid installation and reliable holding power in structural assemblies, machinery, and transportation equipment. The external hex drive design allows for high-torque application with standard tools, making it a versatile choice for industrial fastening applications requiring durability and compliance with international standards.

Specification Summary & Compliance

This hex nut features a 1 1/8"-7 UNC coarse thread with Class 2B thread fit per standard inch system specifications, ensuring dimensional accuracy and interchangeability. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety guidelines for industrial components.