S-98694A165 1 1/2"-6 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel coating, extending service life in harsh industrial environments
• Exceptional load-bearing capacity from Grade 5 strength rating, ensuring reliable performance under high stress conditions
• Quick installation and removal with external square drive design, reducing assembly time and labor costs
• Secure thread engagement through Class 2B coarse UNC threads, preventing loosening in vibrating applications
• Enhanced wrenching stability with 2 1/4" square profile, providing superior torque transmission during tightening
• Compliance with global standards including RoHS 3 and REACH, ensuring environmental responsibility and supply chain acceptance
• Optimized for heavy machinery with 1 1/2"-6 UNC right-hand thread configuration, delivering robust fastening in industrial equipment

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this heavy-duty square nut addresses critical challenges in machinery assembly and structural fastening. The Grade 5 zinc-plated steel construction provides exceptional resistance to corrosion and wear, significantly extending component lifespan in environments exposed to moisture, chemicals, and temperature variations. The 1 1/2"-6 UNC coarse thread configuration ensures rapid installation and reliable performance in high-vibration settings common in manufacturing equipment, agricultural machinery, and construction applications. The external square drive design allows for superior torque application with standard wrenches, preventing rounding and ensuring secure fastening in critical joints. These industrial-grade square nuts deliver consistent performance where fastener failure is not an option, supporting operational continuity and reducing maintenance downtime across multiple sectors.

Specification Summary & Compliance

This square nut features precise Class 2B thread fit tolerance per UNC standards, ensuring consistent thread engagement and reliable fastening performance. Manufactured to meet Grade 5 strength requirements with dimensions of 2 1/4" width and 1 5/16" height, the fastener delivers exceptional mechanical properties for industrial applications. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards. The zinc-plated steel construction provides both corrosion protection and dimensional stability, while the coarse thread spacing ensures compatibility with standard UNC threaded components across industrial fastening systems.