S-98514A035 5/16"-18 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
- Corrosion-resistant performance with Black-Oxide coated 18-8 Stainless Steel, ensuring long-term reliability in harsh or humid industrial environments.
- Space-saving thin profile design allows for installation in tight or confined spaces where standard nuts cannot fit.
- Precise Class 2B thread fit provides smooth assembly and secure fastening, reducing the risk of cross-threading and improving operational efficiency.
- Durable coarse UNC threading offers excellent resistance to vibration loosening, maintaining joint integrity under dynamic loads.
- External hex drive style ensures easy installation and removal with common tools, speeding up maintenance and reducing labor time.
- Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use across global industrial supply chains.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex nut is engineered to address common challenges in industrial assembly, such as corrosion-induced failure and space limitations. The Black-Oxide 18-8 Stainless Steel construction provides superior resistance to rust and chemical exposure, making it ideal for outdoor equipment, marine hardware, and automotive applications. Its thin profile is specifically designed for compact assemblies, reducing weight and material use without compromising strength. The coarse UNC thread and Class 2B fit ensure quick, reliable installation in high-vibration settings, minimizing downtime and enhancing the longevity of mechanical systems. This nut delivers consistent performance in demanding environments, from machinery manufacturing to structural frameworks.
Specification Summary & Compliance
This hex nut adheres to UNC coarse thread standards with a Class 2B thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory acceptance. Manufactured with consistent thread spacing and right-hand threading, it supports reliable fastening in industrial applications.
