S-94895A628 1 3/8"-6 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 tensile strength with Grade 8 rating for reliable performance in high-stress industrial applications
- Superior corrosion resistance from black-oxide steel coating, extending service life in harsh environments
- Precision Class 2B thread fit ensures smooth assembly and secure fastening with standard UNC bolts
- Coarse 1 3/8"-6 UNC threading provides faster installation and reduced cross-threading risks
- Standard external hex drive design allows for easy installation with common wrench tools
- Full regulatory compliance with RoHS 3 and REACH standards for safe use across industries
- Heavy-duty construction with 2 1/16" width and 1 11/64" height for maximum load distribution
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this Grade 8 black-oxide steel hex nut delivers exceptional performance where failure is not an option. The coarse UNC threading combined with Class 2B precision fit ensures rapid assembly while maintaining vibration resistance in heavy machinery, structural steel frameworks, and equipment manufacturing. The black-oxide surface treatment provides essential corrosion protection in environments exposed to moisture, chemicals, and temperature variations, significantly reducing maintenance requirements and replacement costs. As a heavy-duty industrial fastener, it maintains clamping force integrity under extreme loads, making it ideal for construction equipment, automotive assemblies, and industrial machinery where reliability is paramount.
Specification Summary & Compliance
This 1 3/8"-6 UNC hex nut features Class 2B thread fit precision according to Unified Thread Standard specifications, ensuring proper engagement with mating components. Manufactured from high-strength steel and treated with black-oxide coating for enhanced durability. The fastener meets Grade 8 strength requirements and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict material compliance standards.
