S-94831A651 7/16"-20 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through serrated locking technology that prevents loosening under dynamic loads
• Enhanced load distribution with 15/16" flange diameter reducing surface pressure and material stress
• Corrosion-resistant zinc plating provides durable protection in demanding industrial environments
• Precision Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
• Integrated flange design eliminates need for separate washers, saving installation time and costs
• External hex drive offers compatibility with standard tools for easy installation and removal
• Fine UNF thread profile delivers superior holding power in high-vibration applications

Professional Applications & Engineering Value

This zinc-plated steel flange locknut addresses critical challenges in industrial assembly where vibration-induced loosening compromises system integrity. The serrated locking mechanism creates permanent resistance against rotational forces, making it ideal for heavy-duty machinery, automotive systems, and structural applications. The UNF fine thread configuration provides increased thread engagement compared to coarse threads, while the integrated 15/16" flange distributes clamping force over a wider area, preventing surface damage and maintaining joint integrity. Engineered for high-vibration environments, this external hex flange nut combines installation convenience with long-term reliability in demanding operational conditions.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit for consistent mating performance. Features 7/16"-20 UNF fine threads with right-hand orientation and standard hex profile for universal tool compatibility. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and workplace safety. The zinc-plated steel construction meets industrial corrosion protection requirements while maintaining mechanical strength for secure fastening applications.