S-99291A170 5/8"-11 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through distorted top lock thread design, preventing loosening in high-stress environments.
- Enhanced corrosion protection with zinc yellow-chromate plating, extending service life in harsh industrial settings.
- High-strength performance meeting ASTM Grade C standards, ensuring reliable load-bearing capacity.
- Easy installation and removal with external hex drive, compatible with standard wrenches for efficient maintenance.
- Precise thread engagement with Class 2B fit and UNC coarse spacing, reducing cross-threading risks.
- Durable construction from steel material, providing long-term stability under heavy-duty conditions.
- Wide compatibility with 5/8"-11 UNC coarse thread systems, ideal for various machinery and equipment.
Professional Applications & Engineering Value
This 5/8"-11 UNC locknut is engineered to address common industrial challenges like vibration-induced fastener failure and corrosion. The distorted thread locking mechanism at the top ensures a secure hold, making it ideal for heavy machinery, automotive assemblies, and construction equipment where constant motion can compromise standard nuts. Made from zinc yellow-chromate-plated steel, it resists rust and wear in demanding environments, while the external hex drive allows for quick installation with common tools. Its coarse thread spacing and Class 2B thread fit enhance reliability in applications requiring frequent adjustments, reducing downtime and maintenance costs for B2B clients in sectors like manufacturing and infrastructure.
Specification Summary & Compliance
This locknut adheres to UNC thread standards with a Class 2B thread fit for precise dimensional accuracy. It complies with ASTM Grade C strength requirements and is manufactured to meet industry specifications for distorted top lock thread types. The product ensures consistency in performance and is suitable for use in regulated environments, supporting quality assurance in industrial fastening solutions.
