S-93591A300 3/8"-16 Locknuts
Locknuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance through precision distorted thread technology that prevents loosening under extreme conditions
- Exceptional strength and durability with Grade 9 classification, capable of withstanding heavy-duty industrial applications
- Reliable corrosion protection from cadmium-plated steel construction, extending service life in harsh environments
- Secure locking performance with top lock distorted thread design that maintains clamping force without secondary locking elements
- Precise thread engagement ensured by Class 2B thread fit for consistent performance and easy installation
- Standard external hex drive allows for conventional tooling and straightforward installation in confined spaces
- Coarse UNC thread profile provides rapid assembly and disassembly while maintaining strong holding power
Professional Applications & Engineering Value
This Grade 9 heavy-duty locknut delivers critical vibration resistance in demanding industrial and automotive applications where secure fastening is paramount. The distorted thread locking mechanism creates consistent interference along the mating threads, eliminating the need for additional locking washers or adhesives. Manufactured from cadmium-plated steel, this 3/8"-16 UNC locknut provides excellent corrosion resistance while maintaining the high tensile strength required for heavy machinery, construction equipment, and transportation systems. The external hex drive style ensures compatibility with standard wrenching tools, streamlining maintenance procedures in field service applications where reliability cannot be compromised.
Specification Summary & Compliance
This heavy-duty locknut features 3/8"-16 UNC coarse threads with Class 2B thread fit for precise engagement and consistent performance. The distorted thread locking mechanism utilizes top lock technology for maximum vibration resistance. Dimensions include 9/16" width across flats and 25/64" height. Manufactured to Grade 9 strength classification standards, this cadmium-plated steel locknut meets industrial specifications for heavy-duty applications and complies with relevant industry standards for mechanical fasteners.
