The Critical Component for Secure Assemblies
In the world of heavy-duty equipment and vehicle manufacturing, the smallest components often play the most critical roles. The Buyers Products 3058931 #4-40 Machine Screw Nut is a testament to this principle, providing a reliable and robust fastening solution for a multitude of light-duty applications. While a simple nut may seem insignificant, using a high-quality, OEM-spec fastener is essential for ensuring the longevity, safety, and integrity of your assemblies. This nut is engineered not just to hold parts together, but to withstand the constant vibration, environmental exposure, and stress that work vehicles endure daily. Whether you are performing a crucial field repair on an electrical housing or assembling new equipment on the factory floor, this fastener delivers the consistent performance and quality assurance synonymous with the Buyers Products name.
Engineered for Unmatched Durability and Corrosion Resistance
The superior performance of the 3058931 nut begins with its material composition and protective finish. Constructed from high-grade steel, it offers the inherent strength needed to create a tight, secure joint that resists stripping and loosening over time. This foundational strength is enhanced by a premium zinc plating, which provides a formidable barrier against corrosion. This sacrificial coating is crucial for components exposed to the elements, protecting the underlying steel from rust caused by moisture, road salt, and atmospheric contaminants. This means you can trust the 3058931 nut to maintain its clamping force and structural integrity in applications like exterior light fixtures, junction box covers, and under-hood brackets, preventing premature failure and costly secondary repairs. The precisely cut #4-40 UNC threads ensure a smooth, consistent fit with any standard #4-40 screw, making installation quick and hassle-free.
Versatile Fastening for Countless Applications
The #4-40 size is a standard in the industry for securing smaller components, making the Buyers Products 3058931 an incredibly versatile piece of hardware. It is the ideal choice for electricians, mechanics, and fabricators working on vehicle upfitting and equipment maintenance. Common use cases include fastening terminal blocks within control boxes, mounting small LED marker lights, securing access panels on electronic equipment, assembling internal components of switches and gauges, and attaching light-duty brackets for wiring looms. Its reliability makes it suitable for both new product manufacturing and as a go-to replacement part for service technicians. Having a stock of these high-quality nuts ensures you can complete jobs correctly the first time, without compromising on the quality of your hardware. For more essential components for your projects, be sure to explore our full range of parts in the Uncategorized section.
- Part Number: 3058931
- Thread Size: #4-40
- Thread Standard: UNC (Unified National Coarse)
- Threads Per Inch (TPI): 40
- Material: High-Strength Steel
- Finish: Zinc Plated
- Nut Type: Standard Hex Machine Screw Nut
- Corrosion Resistance: Excellent defense against rust, moisture, and road salt.
- Vibration Resistance: Precision threads provide a secure fit to prevent loosening.
- Common Applications: Electrical enclosures, terminal blocks, light housings, access panels, and light-duty bracket mounting.




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