S-90580A330 7/8"-9 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution with an extra wide profile that reduces surface pressure and prevents material damage in high-stress applications
• Superior durability provided by ASTM Grade C steel construction, ensuring reliable performance in demanding industrial environments
• Secure fastening with Class 2B thread fit that offers optimal engagement and vibration resistance for long-term stability
• Quick installation efficiency through coarse UNC threading and external hex drive, speeding up assembly in maintenance and production
• Regulatory compliance assurance with RoHS 3 and REACH standards, supporting safe and sustainable procurement for global operations
• Interchangeable reliability by meeting ASTM A563 specifications, guaranteeing consistent quality and compatibility with standard components
• Robust dimensional design featuring a 1 7/16" width and 55/64" height for improved wrench grip and torque application

Professional Applications & Engineering Value

This heavy-duty 7/8"-9 UNC hex nut delivers critical engineering value by addressing common industrial challenges such as joint failure and assembly delays. Crafted from ASTM Grade C steel, it provides exceptional tensile strength and corrosion resistance, ideal for structural frameworks, machinery assembly, and construction projects. The extra wide profile and coarse thread spacing enhance load distribution and allow for rapid installation, reducing labor time in maintenance or production lines. With a Class 2B thread fit and right-hand threading, it ensures precise alignment and secure fastening under dynamic loads, minimizing the risk of loosening in vibrating equipment. Fully compliant with industry standards, this nut is a dependable choice for engineers seeking durability and efficiency in industrial hex nuts.

Specification Summary & Compliance

This hex nut adheres to precise dimensional tolerances, including a Class 2B thread fit for consistent engagement and UNC coarse threading per inch system requirements. It meets ASTM A563 specifications and is manufactured from ASTM Grade C steel for assured strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory alignment for industrial use.