S-90580A792 3/4"-10 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection through hot-dipped galvanized steel coating for extended service life in harsh environments
• Enhanced clamping force distribution with extra wide hex profile for improved load-bearing capacity
• Reliable thread engagement with Class 2B thread fit ensuring smooth assembly and vibration resistance
• Heavy-duty performance meeting ASTM A563 Grade C standards for demanding industrial applications
• Quick installation efficiency with coarse UNC threads and external hex drive design
• Environmental compliance with RoHS 3 regulations for safe, sustainable operations
• Optimal compatibility with 3/4"-10 UNC male threads in inch measurement systems

Professional Applications & Engineering Value

This heavy-duty hex nut addresses critical industrial challenges where corrosion resistance and structural integrity are paramount. The hot-dipped galvanized steel construction provides a thick, durable barrier against moisture and chemical exposure, significantly outperforming standard coatings in outdoor infrastructure, marine equipment, and chemical processing facilities. The extra wide hex profile distributes clamping forces more effectively across connected surfaces, reducing point stress concentrations that lead to joint failure. Combined with coarse UNC threads and Class 2B thread fit, these nuts maintain secure fastening even under sustained vibration and dynamic loading conditions common in heavy machinery, structural steel assemblies, and transportation equipment. The ASTM A563 Grade C certification guarantees consistent mechanical properties batch-to-batch, providing engineers with reliable performance data for critical connection calculations.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit tolerance for consistent mating with Class 2A external threads. Complies with ASTM A563 manufacturing specifications for carbon steel nuts and UNC coarse thread standards (3/4"-10 thread size). Features right-hand thread direction with 1-1/4" width and 47/64" height dimensions. Meets RoHS 3 (2015/863/EU) compliance requirements for restricted hazardous substances. The hot-dipped galvanized surface treatment provides superior corrosion protection compared to electroplated alternatives.