S-92718A465 5/8"-18 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with nickel-plated brass construction, ideal for harsh environments and extended service life
• Precise and reliable fastening ensured by Class 2B fine threads, providing excellent vibration resistance and reduced risk of loosening
• Easy installation and removal with a standard external hex drive, compatible with common tools for efficient maintenance
• Robust and durable design featuring a standard cap profile and substantial 3/4" height for enhanced strength in heavy-duty applications
• Wide compatibility with 5/8"-18 UNF fine threaded components, making it versatile for various industrial assemblies
• Environmental compliance meeting RoHS 3 standards, ensuring safe use in regulated industries without lead concerns in the alloy
• Optimal fit and coverage with a 15/16" width, providing full thread engagement and secure sealing for critical connections

Professional Applications & Engineering Value

This 5/8"-18 UNF nickel-plated brass cap nut is engineered to address common industrial challenges such as corrosion, vibration-induced failures, and assembly inefficiencies. The nickel-plated brass material offers exceptional resistance to rust and wear, making it suitable for applications in marine, automotive, and plumbing systems where moisture exposure is frequent. Its Class 2B fine threads and right-hand thread direction ensure a tight, secure fit that minimizes loosening under dynamic loads, while the external hex drive allows for quick installation with standard wrenches. Ideal for use in heavy-duty industrial fasteners, this cap nut provides reliable performance in machinery, electrical enclosures, and fluid handling equipment, enhancing overall system durability and reducing maintenance downtime.

Specification Summary & Compliance

This cap nut adheres to UNF thread standards with a Class 2B thread fit for precise dimensional accuracy and smooth engagement. It complies with RoHS 3 (2015/863/EU) regulations, including exemption 6(c) for lead in copper alloys, ensuring environmental safety. Key specifications include a thread size of 5/8"-18, fine thread spacing, 15/16" width, 3/4" height, and 7/16" thread depth, manufactured to meet consistent quality and performance requirements for industrial use.