S-90580A325 3/4"-10 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution through the extra wide profile, reducing stress concentration and preventing joint failure in heavy-duty applications
• Superior strength and durability with ASTM Grade C steel construction, ensuring reliable performance under high tension and vibration
• Easy installation and removal with standard external hex drive design, compatible with common wrench sizes for efficient maintenance
• Precise thread engagement with Class 2B thread fit and coarse UNC threading, providing secure fastening and resistance to loosening
• Compliance with industry standards including ASTM A563, ensuring consistent quality and interchangeability in industrial assemblies
• Environmental responsibility with RoHS 3 and REACH compliance, meeting strict regulations for hazardous substance restrictions
• Optimized for coarse thread applications where quick assembly and high resistance to cross-threading are critical in machinery and structural projects

Professional Applications & Engineering Value

This 3/4"-10 UNC coarse thread hex nut is engineered to address common challenges in industrial fastening, such as vibration-induced loosening and uneven load distribution. The ASTM Grade C steel material provides excellent tensile strength and corrosion resistance, making it ideal for heavy machinery, construction equipment, and structural frameworks where reliability is paramount. The extra wide profile increases the bearing surface, distributing clamping force more evenly to prevent damage to connected components. With its right-hand thread direction and coarse thread spacing, it enables rapid assembly in time-sensitive maintenance or production lines, while the Class 2B thread fit ensures smooth engagement without compromising hold integrity. This nut is a trusted solution for engineers seeking durable, specification-compliant fasteners that reduce downtime and enhance safety in demanding environments.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent engagement and UNC coarse threading per inch system requirements. It meets ASTM A563 manufacturing specifications for material and performance, ensuring reliability in high-strength applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial use.