S-90502A420 7/8"-9 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced grip and torque application with external hex drive design for secure tightening in confined spaces
• Superior load distribution due to the extra-wide thin profile, reducing surface pressure and material stress
• Reliable coarse thread engagement with UNC 7/8"-9 and Class 2B fit for quick assembly and vibration resistance
• Durable performance in industrial environments using Grade 2 steel for balanced strength and cost-effectiveness
• Right-hand thread compatibility ensuring standard tool usage and seamless integration with common components
• Compliance with strict environmental regulations including RoHS 3 and REACH, supporting sustainable procurement
• Optimized dimensions (1 7/16" width, 31/64" height) for space-efficient designs without compromising structural integrity

Professional Applications & Engineering Value

This Grade 2 steel hex nut with an extra-wide thin profile addresses common challenges in heavy-duty assemblies, such as uneven load distribution and limited access areas. The 7/8"-9 UNC coarse thread and Class 2B thread fit ensure rapid installation and reliable performance under dynamic loads, minimizing the risk of loosening in vibrating machinery. Its external hex drive allows for high-torque application with standard tools, enhancing efficiency in industrial maintenance, construction, and automotive sectors. By combining robust steel material with precise engineering, this nut delivers consistent clamping force and longevity, reducing downtime and replacement costs in demanding applications.

Specification Summary & Compliance

This hex nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy and interchangeability. Manufactured from Grade 2 steel, it meets general strength requirements for non-critical applications. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global supply chains. Dimensions include a width of 1 7/16" and height of 31/64", supporting standardized assembly processes.