S-91845A045 2"-4 1/2 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
- Superior load distribution thanks to the standard external hex profile, providing a secure grip and reducing the risk of rounding during high-torque applications.
- Quick and easy assembly with coarse UNC threads and right-hand direction, speeding up installation and maintenance processes.
- Reliable thread engagement and consistent performance guaranteed by the Class 2B thread fit, minimizing the risk of cross-threading.
- Heavy-duty performance for demanding applications, supported by the large 2"-4 1/2 thread size and robust 3" width.
- Compliance with global safety standards, including RoHS 3 and REACH, ensuring material safety and environmental responsibility.
- Versatile compatibility with a wide range of industrial equipment and components designed for UNC coarse thread standards.
Professional Applications & Engineering Value
Engineered for heavy-duty applications, these 2"-4 1/2 UNC coarse thread hex nuts in 18-8 Stainless Steel provide a robust solution for structural assemblies, machinery, and construction projects where vibration resistance and longevity are critical. The Class 2B thread fit ensures precise, reliable mating with corresponding bolts, reducing the risk of mechanical failure. The external hex drive style allows for high torque application with standard tools, making them ideal for maintenance and assembly in industrial settings. Their corrosion-resistant properties make them suitable for outdoor, marine, or chemically exposed environments, offering a durable, low-maintenance stainless steel fastener that meets rigorous engineering demands.
Specification Summary & Compliance
This hex nut features a 2"-4 1/2 UNC coarse thread with a Class 2B thread fit for consistent dimensional accuracy and reliable performance. Manufactured from 18-8 Stainless Steel with a standard hex profile, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.