S-91819A130 3/8"-16 ASME B1.1, ASME B18.2.2, SAE J995 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 strength and reliability with Grade 8 classification, ensuring high load-bearing capacity for demanding industrial applications.
- Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments.
- Wide compatibility and easy installation due to 3/8"-16 UNC coarse threads and Class 2B thread fit, reducing assembly time and errors.
- Rigorous quality assurance through compliance with ASME B1.1, ASME B18.2.2, and SAE J995 standards, guaranteeing dimensional accuracy and performance.
- Environmental and regulatory safety with RoHS 3 and REACH compliance, ensuring safe use in various markets.
- Optimized for high-torque applications featuring a standard external hex drive profile for secure wrench engagement.
- Durable construction from steel material, offering long-term durability under mechanical stress and vibration.
Professional Applications & Engineering Value
This Grade 8 heavy-duty hex nut is engineered to address critical challenges in industrial assemblies, such as vibration loosening and corrosion-induced failure. Made from zinc yellow-chromate plated steel, it provides a robust barrier against moisture and chemicals, ideal for automotive, machinery, and construction sectors. The 3/8"-16 UNC coarse threads and Class 2B thread fit ensure quick, reliable fastening with standard tools, minimizing downtime. By meeting ASME B18.2.2 and other specifications, it delivers consistent performance in high-stress environments, enhancing the longevity and safety of your equipment while supporting efficient maintenance cycles.
Specification Summary & Compliance
This hex nut adheres to precise dimensional standards, including Class 2B thread fit for consistent engagement and UNC coarse threading per ASME B1.1. It conforms to manufacturing specifications like ASME B18.2.2 and SAE J995, ensuring reliability. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety requirements in global markets.