S-90242A707 1 1/4"-7 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
- Superior corrosion resistance from Black-Oxide coated 316 Stainless Steel, ideal for harsh industrial environments
- Enhanced durability and longevity with coarse UNC threading that resists vibration loosening
- Precise Class 2B thread fit ensures smooth assembly and reliable fastening performance
- Heavy-duty construction with 1 7/8" width providing excellent torque distribution
- Compliance with environmental regulations including RoHS 3 and REACH for global market acceptance
- Standard external hex drive allows for easy installation using common tools
- Right-hand threading offers familiar installation for standard industrial applications
Professional Applications & Engineering Value
This 1 1/4"-7 UNC hex nut delivers exceptional engineering value in demanding applications where corrosion resistance and structural integrity are paramount. The Black-Oxide 316 Stainless Steel construction provides superior protection against chemical exposure, saltwater environments, and extreme temperatures, making it ideal for marine equipment, chemical processing plants, and offshore installations. The coarse thread design maintains secure fastening even under constant vibration, while the Class 2B thread fit ensures consistent engagement with mating components. These industrial hex nuts solve critical challenges in infrastructure projects, heavy machinery assembly, and permanent installations where maintenance access is limited, providing long-term reliability without compromising environmental compliance standards.
Specification Summary & Compliance
This heavy-duty hex nut features 1 1/4"-7 UNC coarse threading with Class 2B thread fit per standard inch measurement system requirements. The component maintains precise dimensional accuracy with 1 7/8" width and 1 1/16" height specifications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while meeting industrial fastener standards for quality and performance.
