S-90498A029 1/4"-20 ASME B18.2.2 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
- Enhanced torque resistance due to the extra wide profile, reducing the risk of stripping during high-torque applications
- Superior durability and corrosion resistance from high-quality steel construction, ensuring long service life in demanding environments
- Reliable coarse thread engagement with UNC 1/4"-20 threading, providing faster assembly and reduced cross-threading risks
- Precise Class 2B thread fit for consistent clamping force and vibration resistance in industrial assemblies
- Compliance with ASME B18.2.2 standards guarantees dimensional accuracy and interchangeability with other compliant components
- External hex drive design allows for easy installation and removal using standard tools, improving maintenance efficiency
- Environmental and regulatory safety with RoHS 3 and REACH compliance, ensuring safe use in global markets
Professional Applications & Engineering Value
This heavy-duty hex nut is engineered to address common industrial challenges such as vibration loosening and assembly inefficiency. The extra wide profile distributes load more evenly, minimizing stress concentration and preventing joint failure in high-vibration environments like machinery, automotive, and construction equipment. Manufactured from durable steel, it withstands harsh conditions while the UNC coarse thread enables quick, secure fastening, reducing installation time. The Class 2B thread fit ensures reliable performance in industrial applications, maintaining integrity under dynamic loads. With ASME B18.2.2 compliance, it offers consistent quality, making it ideal for OEM and MRO uses where precision and reliability are critical.
Specification Summary & Compliance
This nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for precise dimensional tolerance, adhering to ASME B18.2.2 specifications. Key dimensions include a width of 1/2" and height of 15/64", ensuring compatibility in inch-based systems. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial practices.
