S-95036A039 5/8"-18 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength performance with Grade 9 classification, providing reliable load-bearing capacity for heavy-duty applications
• Superior corrosion protection through cadmium yellow-chromate plating, extending service life in harsh industrial environments
• Precision thread engagement with Class 2B fit ensuring consistent torque performance and vibration resistance
• Fine thread design (18 TPI) delivers enhanced clamping force and better resistance to loosening under dynamic loads
• Standard hex profile with 15/16" width enables easy installation and removal with common tools
• UNF thread compatibility ensures seamless integration with existing 5/8"-18 UNF bolt systems
• Right-hand thread direction provides standard installation convenience for maintenance and assembly operations

Professional Applications & Engineering Value

This Grade 9 heavy-duty hex nut delivers critical engineering solutions where maximum strength and corrosion resistance are paramount. The cadmium yellow-chromate plated steel construction provides superior protection against environmental degradation, making it ideal for outdoor equipment, marine applications, and industrial machinery exposed to moisture and chemicals. The 5/8"-18 UNF fine thread configuration ensures optimal clamping force distribution, preventing joint failure in high-vibration environments such as automotive assemblies, construction equipment, and heavy machinery. With its external hex drive and standard profile, maintenance teams can achieve proper torque values efficiently, reducing installation time while maintaining Class 2B thread fit precision for consistent performance across production runs.

Specification Summary & Compliance

This hex nut features precision 5/8"-18 UNF fine threads with Class 2B thread fit tolerances, ensuring consistent engagement and reliable performance. Manufactured to Grade 9 strength standards with dimensions of 15/16" width and 11/16" height. The cadmium yellow-chromate plating provides enhanced corrosion resistance while maintaining compliance with industry standards for heavy-duty industrial fasteners. Right-hand thread direction and external hex drive design conform to established UNF thread specifications for compatibility with standard bolt systems.