S-91855A670 4-48 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, ensuring long-term reliability in harsh environments.
- Precise thread engagement with Class 2B fit for smooth assembly and reduced risk of cross-threading.
- Enhanced grip and torque application via external hex drive, allowing for secure tightening with standard tools.
- Fine thread design (UNF) provides improved vibration resistance and finer adjustment in precision assemblies.
- Full thread depth of 5/32" ensures maximum holding strength and consistent load distribution.
- Compliance with environmental standards including RoHS 3 and REACH, making it suitable for regulated industries.
- Compact 1/4" x 1/4" dimensions offer space-saving benefits without compromising on performance.
Professional Applications & Engineering Value
This 4-48 UNF fine thread cap nut is engineered to address critical challenges in industrial and precision assemblies. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it ideal for applications in electronics, automotive, and machinery where durability is paramount. The Class 2B thread fit ensures consistent, reliable fastening with minimal effort, reducing assembly time and preventing thread damage. Its external hex drive allows for high-torque installation, while the fine thread design enhances vibration resistance in dynamic environments. By combining robust materials with precise thread specifications, this cap nut delivers secure, long-lasting performance in demanding settings, from control panels to precision instruments.
Specification Summary & Compliance
This cap nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to precise specifications, including a thread size of 4-48, width and height of 1/4", and thread depth of 5/32", it is suitable for use in regulated and high-performance industrial applications.
