S-93839A835 5/8"-18 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress applications
• Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh industrial environments
• Space-saving thin profile design (3/8" height) allowing installation in confined spaces without compromising strength
• Precision fine threading (5/8"-18 UNF) with Class 2B fit for secure, vibration-resistant connections in critical assemblies
• Standard compliance assurance meeting ASME B18.2.2 specifications for consistent quality and interchangeability
• Enhanced torque transmission with external hex drive design for efficient installation using standard tools
• Optimized weight-to-strength ratio through thin profile construction while maintaining full Grade 8 mechanical properties

Professional Applications & Engineering Value

This Grade 8 thin hex nut delivers exceptional engineering value through its zinc yellow-chromate-plated steel construction, specifically engineered to address common industrial challenges. The fine UNF thread (5/8"-18) with Class 2B fit provides superior vibration resistance in dynamic applications such as heavy machinery, automotive assemblies, and structural frameworks. The thin profile design solves space constraints in compact assemblies while maintaining full Grade 8 strength characteristics. The external hex drive ensures reliable torque application during installation, preventing stripping and ensuring consistent clamping force. Meeting ASME B18.2.2 standards guarantees dimensional consistency and compatibility with existing industrial systems, making it an ideal choice for maintenance, repair, and OEM applications where reliability is paramount.

Specification Summary & Compliance

This fastener maintains precise Class 2B thread fit tolerances with 5/8"-18 UNF fine threading and right-hand thread direction. Manufacturing complies with ASME B18.2.2 specifications, ensuring dimensional accuracy with 15/16" width and 3/8" height. The zinc yellow-chromate plating provides corrosion protection while meeting industry standards for heavy-duty applications. Material composition and plating processes adhere to RoHS and REACH environmental compliance requirements.