S-90499A805 1/4"-28 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: Grade 8 steel construction provides superior load-bearing capacity and resistance to shear, ideal for high-stress industrial environments.
- Precise Thread Engagement: UNF fine threads with Class 2B fit ensure tight, reliable connections that resist loosening under vibration and dynamic loads.
- Optimized Torque Transfer: Standard external hex drive and 7/16" width allow for efficient wrenching and high clamp force without stripping.
- Enhanced Durability: Right-hand thread design in steel material offers long-term corrosion resistance and fatigue life in demanding applications.
- Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safe use in regulated industries without hazardous substances.
- Wide Compatibility: 1/4"-28 thread size in inch system fits common UNF fine-threaded bolts, simplifying sourcing and assembly processes.
- Consistent Performance: Standard hex profile and fine thread spacing deliver uniform seating and reliable fastening across repetitive uses.
Professional Applications & Engineering Value
This Grade 8 steel hex nut with 1/4"-28 UNF fine threads and Class 2B fit is engineered to address critical challenges in heavy machinery, automotive, and construction sectors. The high-strength material prevents failure under extreme tension and vibration, while the fine thread design enhances grip in thin materials and reduces the risk of cross-threading. Its external hex drive facilitates quick installation with standard tools, improving assembly efficiency in industrial applications requiring precise, durable fastening solutions that maintain integrity over time.
Specification Summary & Compliance
This hex nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Manufactured to Grade 8 strength specifications in the inch system, it guarantees reliable performance in regulated and heavy-duty fastening scenarios.
