S-90059A112 2-56 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 – withstands continuous operation up to 500°F, ideal for high-temperature industrial environments
- Superior chemical inertness – PTFE material provides excellent resistance to corrosive chemicals and solvents
- Reliable thread engagement – Class 2B thread fit ensures consistent, secure fastening with standard UNC male threads
- Optimized for industrial assembly – coarse UNC threading enables quick installation and reduced cross-threading risks
- Durable external hex design – standard 3/16" width provides secure tool grip for efficient torque application
- Regulatory compliance assurance – meets RoHS 3 and REACH standards for safe use in regulated industries
- Lightweight corrosion-proof solution – PTFE construction eliminates rust concerns while maintaining strength
Professional Applications & Engineering Value
This PTFE plastic hex nut delivers critical performance advantages in demanding applications where metal fasteners fail. The white PTFE material maintains structural integrity from cryogenic temperatures to 500°F while providing inherent chemical resistance to aggressive solvents, acids, and bases. The 2-56 UNC coarse thread with Class 2B fit ensures reliable engagement in vibration-prone equipment, while the external hex drive and standard 3/16" width enable efficient installation in confined spaces. Ideal for chemical processing equipment, semiconductor manufacturing, food processing machinery, and laboratory instrumentation where contamination resistance and thermal stability are paramount.
Specification Summary & Compliance
This inch-system fastener features 2-56 UNC coarse threads with Class 2B thread fit tolerances, right-hand direction, and standard external hex drive. Dimensions include 3/16" width across flats and 1/16" height. Manufactured from premium PTFE plastic with 500°F maximum temperature rating. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions.
