S-91855A410 12-24 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance provided by 18-8 stainless steel construction, ensuring long-term reliability in harsh or humid industrial environments.
• High-strength fastening with a coarse 12-24 UNC thread profile, designed for quick assembly and robust connections in heavy-duty applications.
• Precise thread engagement guaranteed by Class 2B thread fit, minimizing the risk of cross-threading and ensuring consistent, secure installations.
• Easy installation and removal facilitated by the external hex drive and 3/8" width, allowing for standard wrench access and efficient maintenance.
• Enhanced safety and compliance with RoHS 3 and REACH regulations, making it suitable for use in regulated industries and sensitive applications.
• Durable cap design that covers the end of the bolt, providing a finished appearance and protecting threads from damage and contamination.
• Reliable performance in inch-based systems, ensuring compatibility with existing North American machinery and equipment specifications.

Professional Applications & Engineering Value

This 12-24 UNC cap nut is engineered to solve critical fastening challenges in demanding sectors such as machinery assembly, automotive manufacturing, and outdoor equipment. Its 18-8 stainless steel composition delivers excellent resistance to rust and oxidation, which is vital for components exposed to moisture, chemicals, or temperature variations. The coarse UNC thread and Class 2B thread fit provide a balance of rapid installation and reliable holding power, reducing assembly time while preventing loosening under vibration. The external hex drive and standard profile ensure compatibility with common tools, streamlining maintenance workflows. By integrating this corrosion-resistant nut into your designs, you enhance product longevity and minimize downtime in industrial environments.

Specification Summary & Compliance

This cap nut adheres to UNC coarse thread standards with a 12-24 thread size and Class 2B thread fit for consistent dimensional accuracy. It features a width of 3/8", height of 13/32", and thread depth of 7/32", manufactured to precise inch system measurements. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.