S-94811A030 5/16"-18 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Enhanced load distribution through extra wide profile design, reducing stress concentration and preventing joint failure
• Optimized installation efficiency with external hex drive providing maximum tool engagement and torque transmission
• Reliable thread compatibility featuring Class 2B thread fit ensuring consistent engagement with mating components
• Industry-standard compliance meeting ASME B18.2.2 specifications for dimensional accuracy and performance reliability
• Environmental responsibility with full RoHS 3 and REACH compliance for sustainable manufacturing practices
• Versatile coarse threading using 5/16"-18 UNC pattern for rapid assembly and vibration resistance in heavy-duty applications

Professional Applications & Engineering Value

This zinc-plated steel hex nut delivers exceptional engineering value through its extra wide profile that significantly increases bearing surface area, effectively distributing clamp load and preventing material deformation in high-stress applications. The UNC coarse thread configuration provides superior vibration resistance and faster assembly times compared to fine-thread alternatives, making it ideal for heavy-duty industrial fastening in construction equipment, machinery frames, and structural assemblies. The zinc plating creates a sacrificial barrier that protects against corrosion in demanding environments, while the external hex drive design ensures maximum wrench access and torque application capability. Engineered to ASME B18.2.2 standards, this nut maintains dimensional consistency for reliable performance across countless industrial applications requiring durable, precision fasteners.

Specification Summary & Compliance

This 5/16"-18 UNC hex nut features Class 2B thread fit tolerance for optimal engagement with mating components, manufactured to precise 9/16" width and 19/64" height dimensions. The product strictly adheres to ASME B18.2.2 manufacturing specifications and incorporates coarse thread spacing for enhanced assembly efficiency. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are fully met.