S-90545A005 4-40 Hex Nuts
Hex 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
- Exceptional corrosion resistance from Grade 2 Titanium construction, ideal for harsh environments and extending service life
- Reliable thread engagement with Class 2B thread fit, ensuring consistent clamping force and reducing the risk of cross-threading
- High strength-to-weight ratio of titanium provides robust fastening without adding significant mass to your assembly
- Broad compatibility with 4-40 UNC coarse threads, making it suitable for a wide range of industrial components and repairs
- Secure external hex drive allows for high-torque installation using standard wrenches, facilitating efficient assembly and maintenance
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and meeting global supply chain requirements
- Standard 1/4" width and 3/32" height profile offers easy integration into existing designs with common wrench sizes
Professional Applications & Engineering Value
This Grade 2 Titanium 4-40 UNC Hex Nut delivers critical performance in demanding sectors such as aerospace, chemical processing, and marine engineering, where corrosion resistance and lightweight durability are paramount. The coarse thread design and Class 2B thread fit provide excellent vibration resistance and ease of assembly, reducing installation time and preventing loosening under dynamic loads. Manufactured with a standard external hex drive, it ensures compatibility with common tools, streamlining maintenance operations. Its compliance with RoHS 3 and REACH standards makes it a responsible choice for global OEMs and MRO applications, safeguarding both equipment integrity and environmental guidelines.
Specification Summary & Compliance
This hex nut adheres to UNC thread standards with a 4-40 coarse thread and Class 2B thread fit for consistent dimensional accuracy. The 1/4" width and 3/32" height ensure precise fit in inch-based assemblies. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances.
