S-90502A049 2 1/2"-4 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Load Distribution with extra-wide thin profile design reduces surface pressure and prevents material damage in heavy-duty applications
• Superior Thread Engagement through Class 2B thread fit ensures reliable fastening with minimal risk of cross-threading or stripping
• Optimized for High-Torque Applications featuring external hex drive design for secure tool engagement and efficient installation
• Exceptional Durability with Grade 2 steel construction providing reliable performance in demanding industrial environments
• Simplified Inventory Management using standardized 2 1/2"-4 UNC coarse threads compatible with common industrial components
• Environmental Compliance Assurance meeting RoHS 3 and REACH standards for safe usage in regulated industries
• Space-Efficient Design combining 3 7/8" width with 1 29/64" height for applications requiring broad coverage with minimal profile height

Professional Applications & Engineering Value

This 2 1/2"-4 UNC hex nut delivers exceptional engineering value for heavy machinery, structural steel assemblies, and industrial equipment where reliable fastening under substantial loads is critical. The extra-wide thin profile addresses common challenges of surface deformation and stress concentration by distributing clamping force across a larger area, while the coarse thread design provides superior resistance to vibration loosening in dynamic applications. Manufactured from Grade 2 steel, this industrial hex nut maintains integrity in demanding environments, with the Class 2B thread fit ensuring consistent engagement with mating components. The combination of right-hand threading and external hex drive simplifies installation in confined spaces, making it ideal for construction, mining equipment, and heavy vehicle assemblies where accessibility may be limited.

Specification Summary & Compliance

This hex nut features precise 2 1/2"-4 UNC coarse threads with Class 2B thread fit tolerance, ensuring compatibility with standard industrial components. The dimensional specifications include a 3 7/8" width and 1 29/64" height within the extra-wide thin profile configuration. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming the absence of restricted hazardous substances. The Grade 2 strength classification provides reliable mechanical performance for general industrial applications requiring durable steel fasteners with consistent quality assurance.