S-91855A360 1/4"-20 Cap Nuts
Cap Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life
- Excellent holding power provided by Class 2B UNC coarse threads, ensuring reliable fastening in high-vibration applications
- Easy installation and removal with external hex drive design, allowing for standard wrench access and efficient assembly
- Durable, tamper-resistant cap with standard profile, offering a finished appearance and protection for threaded ends
- Compliance with environmental regulations including RoHS 3 and REACH, making it safe for industrial and international use
- Consistent dimensional accuracy with 7/16" width and 19/32" height, ensuring compatibility and repeatable performance
- Right-hand threading for standard directional tightening, simplifying installation processes and reducing errors
Professional Applications & Engineering Value
This 1/4"-20 UNC cap nut is engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The 18-8 stainless steel material provides inherent resistance to rust and chemical exposure, making it suitable for outdoor machinery, marine equipment, and food processing applications. Its Class 2B coarse threads and external hex drive enable quick, secure fastening with standard tools, reducing installation time and maintenance needs. The cap design seals threaded ends, preventing contamination and enhancing safety in automated systems, construction projects, and heavy-duty assemblies where reliability is critical.
Specification Summary & Compliance
This cap nut features precise UNC coarse threads with a Class 2B thread fit for consistent engagement and tolerance. Dimensions include a thread size of 1/4"-20, width of 7/16", height of 19/32", and thread depth of 5/16". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial fasteners.
