S-97149A300 5/8"-11 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• Reliable coarse thread engagement with 5/8"-11 UNC threads for quick assembly and reduced cross-threading risks
• Precise Class 2B thread fit ensures consistent torque performance and vibration resistance in demanding applications
• Durable external hex drive design provides excellent grip for standard wrenches, minimizing tool slippage
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use across global markets
• Standard hex nut profile with 15/16" width and 35/64" height for easy integration into existing assembly systems
• Right-hand thread direction offers compatibility with common industrial equipment and fastening practices

Professional Applications & Engineering Value

Engineered for heavy-duty industrial fastening, this 5/8"-11 UNC hex nut combines Black-Oxide 18-8 Stainless Steel construction with a coarse thread design to address critical challenges in machinery, construction, and transportation sectors. The Class 2B thread fit maintains tight tolerances under dynamic loads, preventing loosening in high-vibration environments like engine assemblies or structural frameworks. Its external hex drive allows for efficient installation with standard tools, reducing assembly time while the corrosion-resistant surface treatment extends service life in outdoor or chemically exposed settings, making it a cost-effective solution for reliable fastening in demanding applications.

Specification Summary & Compliance

This hex nut adheres to UNC coarse thread standards with precise Class 2B thread fit for consistent dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. Dimensions include a 15/16" width and 35/64" height, supporting compatibility with inch-based assembly systems.