S-90498A385 1"-8 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 load distribution from the extra wide profile reduces surface pressure and prevents material damage in heavy-duty applications
- Superior thread engagement with Class 2B fit ensures reliable, vibration-resistant connections in industrial machinery
- Optimized for high-torque applications through external hex drive design and coarse UNC threading for faster assembly
- Manufacturing consistency guaranteed by compliance with ASME B18.2.2 specifications for dimensional accuracy
- Long-term corrosion resistance through high-quality steel construction suitable for demanding environments
- Environmental compliance assurance with RoHS 3 and REACH adherence for global supply chain compatibility
- Simplified inventory management using standardized 1"-8 UNC thread sizing within the inch measurement system
Professional Applications & Engineering Value
This extra wide hex nut delivers critical engineering advantages where standard fasteners fall short. The 1"-8 UNC coarse thread configuration combined with the heavy-duty steel construction provides exceptional resistance to vibration loosening in high-stress applications such as construction equipment, industrial machinery, and structural frameworks. The external hex drive design accommodates higher torque values during installation, while the enlarged bearing surface distributes clamping force more effectively, preventing damage to connected materials. Engineered to ASME B18.2.2 specifications, this industrial hex nut maintains dimensional consistency across production batches, ensuring reliable performance in critical assemblies where fastener failure is not an option.
Specification Summary & Compliance
This heavy-duty steel nut features precise Class 2B thread fit tolerances with 1"-8 UNC coarse threading in right-hand direction. Manufacturing complies with ASME B18.2.2 standards for dimensional accuracy, with specified width of 1 5/8" and height of 63/64". The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, ensuring environmental responsibility in industrial applications.
