S-91694A320 5/8"-11 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from hot-dipped galvanized steel, ideal for outdoor or harsh industrial environments.
• Superior load distribution due to the extra wide profile, reducing stress and preventing joint failure.
• High strength and reliability with ASTM Grade DH, ensuring dependable performance under heavy loads.
• Easy and secure installation with a standard external hex drive and coarse UNC threads for quick assembly.
• Precise thread fit with Class 2B, providing consistent engagement and vibration resistance.
• Compliance with ASTM A563 standards, guaranteeing material quality and manufacturing consistency.
• Durable construction that withstands repetitive use, minimizing maintenance and replacement costs.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex nut is engineered from hot-dipped galvanized steel to address common industrial challenges like corrosion and structural fatigue. The extra wide profile enhances load-bearing capacity, making it suitable for heavy machinery, construction frameworks, and infrastructure projects where uniform stress distribution is critical. Its coarse thread design and Class 2B thread fit ensure quick, reliable fastening in high-vibration environments, reducing downtime. Compliant with ASTM A563 and rated Grade DH, it offers a robust solution for demanding applications, from automotive assemblies to marine equipment, providing long-term durability and cost efficiency.

Specification Summary & Compliance

This nut features a 5/8"-11 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy. It meets ASTM A563 specifications and is manufactured from hot-dipped galvanized steel for enhanced corrosion protection. The product complies with industry standards for strength and safety, including RoHS and REACH environmental directives, ensuring reliability in various engineering applications.