S-94859A122 5/16"-18 Square Nuts
Square Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black zinc-plating that protects against rust in demanding industrial environments
- Exceptional holding power thanks to Class 2B thread fit ensuring reliable, vibration-resistant fastening
- Easy installation and removal with external square drive design providing superior tool engagement
- Optimized for heavy-duty applications featuring UNC coarse threads that resist loosening under stress
- Precise dimensional compatibility with 5/16"-18 thread size meeting industry-standard requirements
- Environmental compliance assurance with RoHS 3 and REACH compliance for sustainable manufacturing
- Enhanced durability through steel construction maintaining integrity under repeated use
Professional Applications & Engineering Value
This 5/16"-18 UNC square nut delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The black zinc-plated steel construction creates a barrier against moisture and chemicals, significantly extending service life in outdoor equipment, machinery assemblies, and structural frameworks. The coarse UNC thread profile combined with Class 2B thread fit ensures rapid installation while maintaining secure fastening under dynamic loads. The external square drive design allows for superior torque application with standard wrenches, reducing installation time in high-volume assembly operations. These features make it ideal for construction equipment, agricultural machinery, and industrial maintenance applications where reliability cannot be compromised.
Specification Summary & Compliance
This square nut features 5/16"-18 UNC coarse threads with Class 2B thread fit per ASME/ANSI standards, ensuring precise dimensional accuracy and interchangeability. The manufacturing process adheres to strict quality controls for consistent 9/16" width and 7/32" height dimensions. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and material safety standards, making this hardware suitable for global industrial supply chains and regulated manufacturing environments.
