S-92994A113 5/8"-18 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh chemical and marine environments thanks to premium 316 stainless steel construction
• Reliable sealing and protection for threaded ends with a fully enclosed cap design that prevents contamination
• Precise thread engagement with Class 2B fit and UNF fine threads for vibration resistance and secure fastening
• Easy installation and removal using standard wrenches with the external hex drive style
• Compliance with strict environmental regulations including RoHS 3 and REACH for global industrial use
• Durable performance with a standard profile and right-hand threading for consistent operation
• Optimal dimensions (15/16" width, 1" height) for compatibility with common assembly requirements

Professional Applications & Engineering Value

This 316 stainless steel cap nut is engineered to address critical challenges in demanding settings where corrosion resistance and sealing integrity are paramount. Its UNF fine thread design and Class 2B fit ensure tight, reliable connections that resist loosening under vibration, making it ideal for machinery, marine equipment, and chemical processing systems. The external hex drive allows for straightforward installation with standard tools, while the enclosed cap protects threads from debris and moisture. By utilizing RoHS and REACH compliant materials, this fastener supports sustainable manufacturing and meets rigorous industry standards for safety and performance in industrial applications.

Specification Summary & Compliance

This cap nut meets UNF thread standards with a size of 5/8"-18 and Class 2B thread fit for consistent dimensional accuracy. It is manufactured from 316 stainless steel and features a standard profile, external hex drive, and right-hand threading. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for global industrial use.