S-94846A530 9/16"-18 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance: Zinc-plated steel construction provides reliable protection against rust and environmental degradation, extending service life in demanding conditions.
• Superior Strength for Heavy-Duty Use: Grade 5 classification ensures high tensile strength and reliable performance in critical, high-stress assembly applications.
• Precision Thread Engagement: Class 2B thread fit offers consistent, secure mating with mating components, reducing the risk of cross-threading and loosening.
• Space-Saving Design: Thin profile allows for use in confined spaces where standard hex nuts cannot fit, improving design flexibility.
• Standardized Reliability: Compliance with ASME B18.2.2 guarantees dimensional accuracy and interchangeability, streamlining inventory and assembly processes.
• Optimized for Fine Thread Applications: 9/16"-18 UNF fine thread provides increased adjustment precision and superior vibration resistance compared to coarse threads.
• Environmental and Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safety and suitability for use in regulated industries and global markets.

Professional Applications & Engineering Value

This Grade 5 thin hex nut is engineered to address common challenges in industrial assembly, such as the need for high-strength fastening in limited spaces. The zinc-plated steel material combats corrosion, making it ideal for outdoor equipment, automotive subsystems, and machinery exposed to harsh environments. Its 9/16"-18 UNF fine thread and Class 2B thread fit ensure a tight, secure connection that resists loosening under vibration, a critical feature in automotive, aerospace, and heavy machinery applications. The thin hex nut profile and external hex drive facilitate easy installation with standard tools, reducing assembly time while maintaining the integrity of ASME B18.2.2 standards for reliable, repeatable performance.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances, including a Class 2B thread fit per Unified National Fine (UNF) standards, ensuring compatibility with Class 2A external threads. It meets the ASME B18.2.2 specification for hex nuts, confirming manufacturing consistency and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for use in various industrial sectors without hazardous substances.