S-97149A397 7/8"-9 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 coated 18-8 Stainless Steel, ideal for harsh industrial environments
- Reliable thread engagement due to Class 2B thread fit, ensuring consistent fastening performance
- Quick installation and removal with standard external hex drive and coarse UNC threading
- Heavy-duty construction with 1 5/16" width and 3/4" height for enhanced load distribution
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global supply chain compatibility
- Right-hand thread design providing familiar and efficient assembly in standard applications
- Dimensional precision in inch system measurements for seamless compatibility with existing equipment
Professional Applications & Engineering Value
This 7/8"-9 UNC hex nut delivers critical performance advantages in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The Black-Oxide 18-8 Stainless Steel construction provides exceptional protection against oxidation and chemical exposure, significantly extending service life in manufacturing, construction, and marine applications. The coarse thread profile combined with Class 2B thread fit ensures vibration-resistant fastening while accommodating minor misalignments during assembly. Engineered for heavy-duty external hex drive applications, this nut maintains clamping force under dynamic loads, making it ideal for structural connections, machinery assembly, and infrastructure projects where failure is not an option.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with 1 5/16" width and 3/4" height, this hex nut features UNC coarse threads with Class 2B thread fit tolerance for reliable mating with corresponding male threads. The product fully complies with RoHS 3 (2015/863/EU) restrictions and REACH (EC 1907/2006) regulations regarding substance controls, ensuring environmental responsibility and global market acceptance for industrial fastener applications.
