S-93839A120 2"-4 1/2 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength with Grade 8 classification ensures reliable performance in high-stress industrial applications
• Superior corrosion protection through zinc yellow-chromate plating extends service life in harsh environments
• Optimized weight-to-strength ratio with thin profile design reduces material usage without compromising durability
• Precision thread engagement with Class 2B fit and UNC coarse threads provides consistent clamping force
• Standardized compatibility meeting ASME B18.2.2 specifications guarantees interchangeability across industrial systems
• Enhanced installation efficiency with external hex drive design allows for quick assembly using common tools
• Reliable right-hand threading ensures predictable performance in standard rotational applications

Professional Applications & Engineering Value

These Grade 8 heavy-duty hex nuts deliver critical engineering solutions for industrial applications requiring maximum reliability. The zinc yellow-chromate-plated steel construction provides superior corrosion resistance, making them ideal for outdoor equipment, construction machinery, and marine applications where environmental exposure is a concern. The thin hex nut profile offers significant space savings while maintaining full Grade 8 strength, perfect for compact assemblies and weight-sensitive applications. With 2"-4 1/2 UNC coarse threads and Class 2B thread fit, these fasteners ensure rapid installation and consistent clamping force in heavy machinery, structural steel connections, and high-vibration environments. The external hex drive design accommodates standard wrenching tools, streamlining maintenance and assembly processes across industrial operations.

Specification Summary & Compliance

Manufactured to exacting ASME B18.2.2 specifications with Class 2B thread fit tolerance for consistent performance. Features UNC coarse threads in right-hand direction with sizes ranging from 2" to 4 1/2". The zinc yellow-chromate plating on steel substrate provides enhanced corrosion protection while maintaining Grade 8 strength classification. Dimensions include 3" width and 1 3/32" height in thin hex nut profile. Complies with industry standards for inch system fasteners and meets relevant material and performance specifications for industrial applications.