4325255
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4325255, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute the load and prevent the screw from sinking into the material. In a truck’s assembly, these screws are used to secure various components, ensuring they remain firmly in place despite the vibrations and stresses encountered during operation.

Purpose and Role in Truck Operation

The 4325255 Hexagon Flange Head Cap Screw plays a role in the secure fastening of components within commercial trucks. It is designed to withstand the rigors of heavy-duty applications, providing a reliable connection between parts that are subject to significant stress and vibration. Its use helps maintain the structural integrity and operational efficiency of the truck.

Key Features

The 4325255 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening with common tools. The flange beneath the head enhances the screw’s ability to distribute load, reducing the risk of damage to the fastened material. Additionally, the screw is made from high-quality materials, ensuring durability and resistance to corrosion, which is vital for components exposed to various environmental conditions.

Benefits

This screw offers several benefits, including enhanced fastening security due to its design, which resists loosening from vibration—a common issue in heavy-duty applications. The ease of installation and removal is another advantage, as the hexagonal head allows for straightforward application of torque. Furthermore, the flange design contributes to a more even distribution of force, reducing the likelihood of material damage.

Installation and Usage

For proper installation of the 4325255 Hexagon Flange Head Cap Screw, it is important to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level, avoiding over-tightening or under-tightening. Best practices include using the appropriate tools and ensuring the screw and the surfaces it contacts are clean and free of debris to achieve a secure and lasting connection.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. Maintenance practices include checking for signs of wear or corrosion, ensuring screws are properly tightened, and replacing any damaged or worn screws to maintain the integrity of the truck’s components.

Cummins Overview

Cummins is a leading manufacturer in the commercial truck industry, known for its wide range of products, including engines, filtration systems, and aftermarket parts. With a history of innovation and quality, Cummins has established a reputation for reliability and performance in the heavy-duty truck sector. The company’s commitment to excellence is reflected in its products, including the 4325255 Hexagon Flange Head Cap Screw, which is designed to meet the demanding requirements of commercial truck applications. ¹

Cummins Hexagon Flange Head Cap Screw 4325255 in ISV Engines

The Cummins Hexagon Flange Head Cap Screw part number 4325255 is a critical component in the assembly and maintenance of ISV (Intelligent Systems Vehicle) engines, specifically those manufactured by Nissan. This part is integral to the structural integrity and operational efficiency of the engine, ensuring that various components are securely fastened and aligned.

In the ISV engines, the 4325255 screw is utilized in several key areas where secure fastening is paramount. Its design, featuring a hexagonal flange head, allows for precise torque application, which is essential for maintaining the alignment and stability of engine parts. This screw is particularly important in applications where vibration and movement are common, as it helps to prevent loosening over time.

The use of this screw in ISV engines underscores the importance of high-quality fasteners in engine construction. The flange head design provides a larger surface area for the wrench, facilitating easier and more effective tightening. This is crucial in environments where access may be limited, and precise torque settings are necessary to avoid damage to the engine components.

In summary, the Cummins Hexagon Flange Head Cap Screw 4325255 is a vital part in the assembly of ISV engines, ensuring that critical engine components remain securely fastened and properly aligned. Its design and material properties make it an ideal choice for the demanding conditions encountered in engine operation. ²

Role of Part 4325255 Hexagon Flange Head Cap Screw in Engine Systems

The part 4325255 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and efficient operation.

Recirculation Systems

In recirculation systems, the 4325255 screw is often used to fasten components such as filters, housings, and ductwork. Its flange head design provides a larger surface area for distribution of clamping force, reducing the risk of stripping or damage to the fastened material. This is particularly important in recirculation systems where components are subject to vibrations and dynamic loads. The secure attachment ensures that recirculation pathways remain intact, allowing for consistent fluid or air flow, which is essential for maintaining system efficiency and performance.

Exhaust Systems

Within exhaust systems, the 4325255 screw plays a significant role in attaching manifold components, catalytic converters, and mufflers. The flange head offers enhanced torque application, allowing for a tighter and more reliable connection. This is vital in exhaust systems where components are exposed to high temperatures and corrosive environments. The secure fastening provided by the 4325255 screw helps prevent leaks and ensures that exhaust gases are efficiently directed away from the engine, contributing to both performance and emissions control.

Conclusion

The 4325255 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and engine systems. Its design, featuring a hexagonal head and flange, allows for efficient torque application and load distribution, ensuring secure fastening of components under demanding conditions. The use of high-quality materials ensures durability and resistance to corrosion, making this Cummins part an essential element in maintaining the structural integrity and operational efficiency of trucks and engines.