S-95140A169 7/8"-14 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 strength and durability from Grade 5 steel construction, ensuring reliable performance in high-stress applications
- Secure left-hand thread engagement prevents loosening in counter-rotating machinery and specialized equipment
- Precise Class 2B thread fit guarantees smooth assembly and consistent clamping force for vibration resistance
- Fine UNF thread profile provides superior load distribution and improved fatigue resistance compared to coarse threads
- Standard external hex drive design enables easy installation with common wrenches, reducing assembly time
- Full regulatory compliance with RoHS 3 and REACH standards for safe use in industrial environments worldwide
- Heavy-duty inch system sizing (7/8"-14) ensures compatibility with existing industrial equipment and fastening systems
Professional Applications & Engineering Value
This Grade 5 steel hex nut with left-hand UNF fine threads addresses critical engineering challenges in demanding industrial environments. The 7/8"-14 thread size with Class 2B fit provides exceptional vibration resistance and load-bearing capacity, making it ideal for rotating machinery, automotive systems, and heavy equipment where reverse rotation is present. The fine thread spacing offers superior resistance to loosening under dynamic loads, while the standard hex profile ensures compatibility with existing tooling. Engineered for applications requiring left-hand thread functionality, this nut prevents unintended disassembly in counter-clockwise rotating systems, providing essential safety and reliability in mission-critical fastening scenarios.
Specification Summary & Compliance
This hex nut features 7/8"-14 UNF left-hand fine threads with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable performance. Manufactured from Grade 5 steel for consistent mechanical properties, the nut meets industry standards for heavy-duty applications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use across global markets.
