S-92040A140 5/8"-11 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced load distribution from the extra-wide high profile, reducing surface pressure and material stress
• Reliable, secure fastening with Class 2B coarse UNC threads, ensuring consistent engagement and vibration resistance
• Easy installation and removal via the external hex drive, compatible with standard tools for efficient maintenance
• Full regulatory compliance with RoHS 3 and REACH, meeting strict environmental and safety standards for global use
• Durable, long-lasting performance due to robust material and deep 25/32" thread depth, minimizing wear and thread stripping
• Versatile inch-system compatibility for seamless integration with existing UNC-threaded components in various applications

Professional Applications & Engineering Value

This heavy-duty 5/8"-11 UNC cap nut is engineered to address critical challenges in demanding industrial settings, such as equipment vibration, exposure to corrosive elements, and the need for reliable, repeatable fastening. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, extending service life in outdoor, marine, or chemical processing applications. Its extra-wide high profile and coarse UNC threads offer superior clamping force distribution and quicker assembly, reducing the risk of loosening under dynamic loads. The external hex drive allows for high-torque installation, making it a preferred choice for machinery, structural assemblies, and automotive components where strength and durability are paramount.

Specification Summary & Compliance

This cap nut adheres to UNC coarse thread standards with a Class 2B thread fit, ensuring precise dimensional accuracy and interchangeability. Key specifications include a thread size of 5/8"-11, width of 1 1/16", height of 1 3/16", and thread depth of 25/32". It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industrial procurement.