S-94819A425 1 1/4"-7 ASTM F594 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 Stainless Steel construction
• Reliable, vibration-resistant assembly ensured by the coarse UNC thread and Class 2B thread fit
• High-strength performance for demanding applications, manufactured in compliance with ASTM F594 standards
• Easy installation and removal with a standard external hex drive and 1 7/8" width for common tools
• Durable, long-lasting service life with a robust 1 1/16" height and right-hand thread design
• Safe for regulated industries as it is fully compliant with RoHS 3 and REACH environmental directives
• Broad compatibility with inch-system coarse-threaded bolts and components in various industrial settings

Professional Applications & Engineering Value

This 1 1/4"-7 UNC hex nut is engineered to address critical challenges in heavy-duty industrial applications, including marine, chemical processing, and outdoor infrastructure. Its 316 Stainless Steel material offers exceptional resistance to pitting and corrosion from chlorides and acidic exposure, significantly reducing maintenance costs and downtime. The coarse thread design ensures quick assembly and superior holding power in high-vibration environments, preventing loosening under dynamic loads. Combined with a Class 2B thread fit, this nut provides a reliable, consistent fit with mating bolts, enhancing structural integrity and safety in demanding engineering projects.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent engagement and UNC coarse threading with 7 threads per inch. Manufactured in accordance with ASTM F594 specifications for stainless steel nuts, it ensures material quality and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.