S-90494A140 1 1/4"-7 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced durability and strength from Grade 2 steel construction, ideal for demanding industrial environments
• Efficient assembly with coarse UNC threads that allow for faster installation and reduced cross-threading risks
• Reliable thread engagement with Class 2B fit, ensuring consistent performance in vibration-prone applications
• Space-saving thin profile design (23/32" height) for use in confined spaces without compromising on load-bearing capacity
• Secure external hex drive for easy tightening with standard tools, improving workflow efficiency
• Compliance with RoHS 3 and REACH regulations for safe use in various industries, meeting environmental standards
• Right-hand threading compatibility with common UNC fasteners, simplifying inventory and replacement processes

Professional Applications & Engineering Value

This 1 1/4"-7 UNC thin hex nut is engineered to address common challenges in industrial assembly, such as space constraints and vibration-induced loosening. Made from Grade 2 steel, it provides excellent tensile strength and resistance to wear, making it suitable for heavy-duty machinery, construction equipment, and automotive systems. The coarse thread design ensures quick installation and reduces the risk of stripping, while the Class 2B thread fit maintains secure connections under dynamic loads. Its thin profile allows for use in compact assemblies where standard nuts are impractical, offering a reliable fastening solution that enhances operational safety and longevity in demanding applications.

Specification Summary & Compliance

This hex nut features precise UNC coarse threads with a Class 2B thread fit, ensuring dimensional accuracy per inch-based standards. Key specifications include a thread size of 1 1/4"-7, width of 1 7/8", and height of 23/32". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use. Manufactured to meet Grade 2 strength requirements, this nut delivers consistent performance in coarse-thread applications.