S-90499A855 1"-14 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity: Grade 8 strength classification ensures reliable performance under high tension and shear loads, preventing fastener failure in critical applications.
• Precision Thread Engagement: Class 2B UNF fine threads provide superior vibration resistance and reduced loosening in dynamic or high-stress environments.
• Robust Material Construction: Made from high-strength steel for excellent durability and corrosion resistance in industrial settings.
• Optimized Wrench Grip: Standard external hex drive (1-1/2" width) allows for secure tool engagement and efficient installation with common wrench sizes.
• Enhanced Safety Compliance: Meets RoHS 3 and REACH environmental standards, ensuring safe usage without hazardous substances.
• Wide Industrial Compatibility: Right-hand UNS thread type and 1"-14 fine spacing enable seamless integration with matching bolts in machinery and structural assemblies.
• Consistent Dimensional Accuracy: Uniform 55/64" height and standardized profile guarantee reliable fit and repeatable performance across production runs.

Professional Applications & Engineering Value

This Grade 8 steel hex nut is engineered to address common industrial challenges such as joint failure under cyclic loading and misalignment in heavy machinery. The fine UNF thread (1"-14) with Class 2B precision minimizes backlash and maintains clamp force in vibrating equipment, automotive systems, and structural frameworks. Its external hex drive design ensures straightforward installation with standard tools, reducing assembly time while the high-strength steel material resists deformation under extreme torque. Ideal for heavy-duty applications requiring reliable, long-term fastening solutions, this nut delivers consistent performance in construction, manufacturing, and transportation sectors where safety and durability are paramount.

Specification Summary & Compliance

This hex nut adheres to UNS thread standards with Class 2B thread fit for precise tolerance control. Dimensions include a 1"-14 fine thread, 1-1/2" width, and 55/64" height, manufactured to consistent industrial specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. As a Grade 8 fastener, it meets high mechanical strength requirements suitable for demanding engineering applications.