S-91015A033 1/2"-13 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 corrosion resistance with black-oxide steel coating for reliable performance in harsh industrial environments
- Superior load distribution from the extra-wide thin profile design, reducing surface pressure and material stress
- Precise thread engagement with Class 2B thread fit ensuring smooth installation and vibration resistance
- High-strength fastening using coarse UNC threads (1/2"-13) for robust connections in heavy machinery applications
- Easy external hex drive installation allowing standard wrench compatibility and efficient assembly
- Compliance with global standards including RoHS 3 and REACH for safe, regulated industrial use
- Optimized dimensional accuracy with 7/8" width and 19/64" height for consistent fit in standardized assemblies
Professional Applications & Engineering Value
This black-oxide steel hex nut with extra-wide thin profile addresses critical engineering challenges in heavy-duty applications. The UNC coarse thread (1/2"-13) combined with Class 2B thread fit provides exceptional resistance to loosening under vibration, making it ideal for construction equipment, agricultural machinery, and industrial assembly lines. The black-oxide surface treatment offers superior corrosion protection without compromising dimensional stability, while the extended width distributes clamping force evenly across connected surfaces. This design prevents joint failure in high-stress environments, ensuring long-term reliability for industrial fastening systems where maintenance access is limited and durability is paramount.
Specification Summary & Compliance
Manufactured to precise inch system standards with Class 2B thread fit tolerance for consistent performance. Thread specifications adhere to UNC coarse thread (1/2"-13) requirements with right-hand orientation and external hex drive compatibility. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions. Dimensions include 7/8" width and 19/64" height, ensuring interchangeability with standard industrial components.