S-90059A005 4-40 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional thermal resistance maintains structural integrity in applications up to 500°F (260°C)
- Superior chemical resistance from PTFE material prevents degradation in harsh industrial environments
- Reliable thread engagement with Class 2B thread fit ensures consistent fastening performance
- Standard external hex drive provides familiar installation with common tools for efficient assembly
- Coarse UNC threading enables quick installation and reduced cross-threading risks
- Compact dimensions (1/4" width, 3/32" height) offer space-saving solutions in tight assemblies
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these PTFE plastic hex nuts deliver exceptional performance where metal fasteners fail. The white PTFE material provides outstanding chemical resistance against corrosive substances while maintaining mechanical properties at elevated temperatures. The 4-40 UNC coarse thread configuration with Class 2B thread fit ensures reliable engagement in vibration-prone applications, reducing maintenance requirements. Ideal for chemical processing equipment, high-temperature assemblies, and electronic enclosures where electrical insulation and thermal stability are critical. The external hex drive design allows for standard tool compatibility, streamlining installation processes in manufacturing and maintenance operations.
Specification Summary & Compliance
This inch-system hex nut features precise 4-40 UNC coarse threads with Class 2B thread fit tolerance, ensuring consistent mating with corresponding male threads. Manufacturing complies with standard inch fastener specifications, delivering reliable dimensional accuracy with 1/4" width and 3/32" height profiles. The product fully meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications requiring environmental and safety compliance.
