S-91849A048 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 with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
- Enhanced load distribution due to the extra wide hex profile, reducing surface pressure and preventing material damage.
- Quick and easy installation with coarse UNC threads and Class 2B fit, ensuring smooth assembly even in high-vibration settings.
- Superior torque transmission from the external hex drive, allowing for secure tightening with standard tools.
- Reliable performance in heavy-duty applications with large 2"-4 1/2 thread sizes, supporting substantial mechanical loads.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
- Durable right-hand thread design for consistent, long-lasting fastening in demanding conditions.
Professional Applications & Engineering Value
This extra wide hex nut in 18-8 Stainless Steel addresses critical engineering challenges in heavy machinery, construction, and infrastructure projects. Its corrosion-resistant properties prevent rust and degradation, extending service life in moist or chemically aggressive environments. The coarse UNC thread with Class 2B fit facilitates rapid assembly and disassembly, minimizing downtime in maintenance operations. The external hex drive ensures high torque application without slippage, crucial for structural integrity in industrial fasteners. By combining robust materials with precise inch system specifications, it delivers reliable performance in applications like bridge construction, mining equipment, and marine installations, where failure is not an option.
Specification Summary & Compliance
This nut features precise Class 2B thread fit per UNC standards, with coarse spacing for optimal engagement. Dimensions include a width of 3 1/8" and height of 1 31/32", manufactured to consistent quality for reliable fastening. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
