S-94485A044 1 1/4"-7 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load distribution with extra wide profile design, reducing stress concentration and preventing joint failure in heavy-duty applications
• High-strength performance meeting ASTM Grade 7 requirements, ensuring reliable fastening under extreme mechanical stress
• Superior thread engagement with Class 2B thread fit, providing consistent clamping force and vibration resistance
• Enhanced durability through high-strength steel construction, maintaining integrity in corrosive industrial environments
• Simplified installation with coarse UNC threads and external hex drive, enabling quick assembly with standard tools
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Optimized for industrial use with 2" width and 1 7/32" height dimensions, offering substantial bearing surface for structural connections

Professional Applications & Engineering Value

This heavy-duty hex nut delivers critical engineering solutions for industrial applications where vibration resistance and structural integrity are paramount. The extra wide profile and ASTM Grade 7 strength rating address common failure points in machinery, construction, and heavy equipment by distributing clamp load over a larger surface area. Manufactured from high-strength steel with coarse UNC threads, it maintains reliable performance in high-vibration environments while the Class 2B thread fit ensures precise engagement with mating components. The external hex drive design facilitates efficient installation in confined spaces, making it ideal for structural steel connections, industrial machinery assembly, and infrastructure projects requiring durable fastening solutions.

Specification Summary & Compliance

This hex nut features 1 1/4"-7 UNC coarse threads with Class 2B thread fit tolerance for optimal engagement. Manufactured to ASTM A194 specifications with ASTM Grade 7 strength classification, ensuring consistent mechanical properties. The nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming adherence to global regulatory requirements for industrial components.