S-95479A132 7/8"-14 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
- Superior corrosion resistance with black oxide steel construction, extending service life in demanding industrial environments
- High tensile strength from Grade 5 certification, ensuring reliable performance under heavy loads and vibration
- Precision fine threading (7/8"-14 UNF) provides superior engagement and vibration resistance compared to coarse threads
- Consistent Class 2B thread fit guarantees smooth assembly and reliable clamping force in critical applications
- ASME B18.2.2 compliance ensures dimensional accuracy and interchangeability with standard components
- Environmental regulation compliance with RoHS 3 and REACH, meeting global manufacturing standards
- Standard external hex design allows for easy installation with common wrench tools, reducing assembly time
Professional Applications & Engineering Value
This 7/8"-14 UNF Grade 5 hex nut delivers exceptional engineering value through its black oxide steel composition and fine thread spacing, specifically engineered to address common industrial challenges. The UNF thread type with Class 2B fit provides superior vibration resistance in heavy machinery, automotive assemblies, and structural applications where loosening under dynamic loads is a concern. The black oxide surface treatment offers enhanced corrosion protection without compromising dimensional accuracy, making these industrial fasteners ideal for outdoor equipment, manufacturing machinery, and transportation systems requiring both strength and environmental durability. The standardized external hex drive profile ensures compatibility with common torque tools, streamlining maintenance procedures while maintaining consistent clamping force.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit with 7/8"-14 UNF fine threading and right-hand thread direction. Manufacturing complies with ASME B18.2.2 specifications for dimensional accuracy, measuring 1 5/16" across flats and 3/4" in height. The product meets Grade 5 strength classification and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications.
