S-93435A003 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 Silicon Bronze material, ideal for harsh environments like marine and chemical industries.
- Reliable thread engagement with Class 2B fit, ensuring secure fastening and reducing the risk of loosening under vibration.
- Easy installation and removal due to the coarse UNC thread design, saving time in assembly and maintenance tasks.
- Durable external hex drive provides strong torque transmission and resists stripping, extending the nut's service life.
- Wide compatibility with standard 4-40 UNC bolts, making it a versatile choice for various industrial equipment.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated applications.
- Precise inch dimensions (1/4" width, 3/32" height) for consistent performance in metric-converted or traditional systems.
Professional Applications & Engineering Value
This 4-40 UNC hex nut in Silicon Bronze addresses critical challenges in demanding settings such as marine hardware, plumbing systems, and outdoor structures, where exposure to moisture and chemicals can degrade ordinary fasteners. The coarse thread spacing and Class 2B thread fit enhance assembly speed and vibration resistance, reducing maintenance downtime. Its right-hand thread direction and external hex drive allow for straightforward installation with common tools, ensuring reliable connections in industrial applications that prioritize longevity and corrosion resistance. By combining robust material properties with standardized threading, this nut delivers consistent performance in fastening solutions that endure stress and environmental factors.
Specification Summary & Compliance
This hex nut features a 4-40 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy, adhering to common inch measurement standards. It is manufactured from Silicon Bronze and includes compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use.
