S-98694A130 1/2"-13 Square Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Grade 5 strength rating, ensuring reliable performance in demanding industrial applications
• Superior corrosion resistance through zinc-plated steel construction, extending service life in harsh environments
• Quick installation and removal with external square drive design, compatible with standard wrenches for efficient maintenance
• Secure fastening performance through Class 2B thread fit, providing optimal engagement with mating components
• Enhanced vibration resistance with UNC coarse threading, maintaining integrity under dynamic loading conditions
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, suitable for regulated industrial sectors
• Optimized dimensional stability with precise 13/16" width and 7/16" height specifications for consistent assembly

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this Grade 5 square nut delivers exceptional performance in machinery assembly, structural frameworks, and equipment manufacturing. The zinc-plated steel construction provides critical corrosion protection in environments exposed to moisture, chemicals, and temperature variations. The 1/2"-13 UNC coarse thread configuration ensures rapid installation and superior resistance to vibration loosening, while the external square drive design allows for high-torque application without tool slippage. These industrial square nuts solve common fastening challenges by maintaining clamp force integrity under sustained loads and dynamic conditions, making them ideal for construction equipment, agricultural machinery, and manufacturing systems where reliability is paramount.

Specification Summary & Compliance

This square nut features 1/2"-13 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and compatibility with corresponding fasteners. Manufactured from zinc-plated steel meeting Grade 5 mechanical properties, the nut maintains consistent performance across inch system applications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety standards, while the standardized 13/16" width and 7/16" height provide reliable interchangeability in industrial assemblies.