S-95479A123 9/16"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance - Black Oxide Steel construction provides superior protection against rust and wear in demanding industrial environments.
• High-Strength Performance - Grade 5 classification ensures reliable load-bearing capacity and resistance to vibration loosening in heavy-duty applications.
• Precision Thread Fit - Class 2B thread fit guarantees smooth, secure engagement with mating components, reducing assembly time and improving joint integrity.
• Standardized Compatibility - Manufactured to ASME B18.2.2 specifications and UNC coarse threading for consistent performance and easy sourcing across industrial systems.
• Optimized Drive Efficiency - External hex drive design allows for quick installation and removal using standard tools, enhancing workflow productivity.
• Environmental Compliance - RoHS 3 and REACH compliant, ensuring safe use in regulated industries without hazardous substance concerns.
• Robust Dimensions - 7/8" width and 31/64" height provide a substantial grip surface and sufficient thread engagement for stable, long-lasting fastening.

Professional Applications & Engineering Value

This Grade 5 Hex Nut with 9/16"-12 UNC coarse threading is engineered to address critical challenges in industrial assembly, such as vibration-induced failures and corrosion in harsh environments. The Black Oxide Steel material offers an added layer of protection, significantly extending service life in applications like heavy machinery, construction equipment, and automotive systems. Its Class 2B thread fit ensures precise alignment and reduces the risk of cross-threading, streamlining installation while maintaining joint integrity under dynamic loads. By adhering to ASME B18.2.2 standards, this nut delivers consistent performance, minimizing downtime and replacement costs in industrial fastening scenarios where reliability is paramount.

Specification Summary & Compliance

This hex nut features a 9/16"-12 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy, complying with ASME B18.2.2 manufacturing specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring environmental and safety standards are upheld. The nut is designed with a standard external hex drive and right-hand thread direction, providing reliable performance in inch-system applications.