4335612
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4335612, is a component manufactured by Cummins, a well-known entity in the automotive and heavy-duty truck industry. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance. Cummins, with its reputation for quality and innovation, ensures that this component meets the stringent demands of truck operations.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that provides additional surface area for torque application. These screws are typically made from high-strength materials such as alloy steel, which ensures durability and resistance to wear. In the automotive industry, they are commonly used for fastening components that require a secure and stable connection, particularly in environments where vibrations and dynamic loads are present ¹.

Purpose and Function

The 4335612 Hexagon Flange Head Cap Screw plays a role in the operation of a truck by securely fastening critical components. Its design allows it to withstand high torque applications, making it suitable for use in engine assemblies, transmission systems, and other areas where reliable fastening is required. By providing a stable connection, this screw contributes to the overall functionality and reliability of the vehicle ².

Key Features

The primary characteristics of the 4335612 Hexagon Flange Head Cap Screw include its hexagonal head design, which allows for efficient torque application using standard tools, and its flange feature, which distributes the load over a larger area, reducing the risk of damage to the fastened material. The cap screw construction ensures a threaded connection that can be easily tightened and loosened as needed. These features enhance the screw’s performance and usability in demanding applications ³.

Benefits

The 4335612 Hexagon Flange Head Cap Screw offers several advantages, including improved torque application due to its hexagonal head, enhanced grip provided by the flange, and resistance to loosening under dynamic conditions. These benefits contribute to the longevity and efficiency of truck components by ensuring that connections remain secure over time, even under harsh operating conditions.

Installation and Usage

Proper installation of the 4335612 Hexagon Flange Head Cap Screw involves using the correct torque specifications to avoid over-tightening or under-tightening. It is important to ensure that the screw is aligned properly with the mating threads to prevent cross-threading. Best practices include using a torque wrench to achieve the recommended torque values and periodically checking the tightness of the screw to maintain optimal performance and safety.

Troubleshooting and Maintenance

Common issues with the 4335612 Hexagon Flange Head Cap Screw may include corrosion, stripping, or loosening. Regular inspection for signs of wear or damage can help identify potential problems early. Maintenance practices such as applying an appropriate anti-seize compound during installation can prevent corrosion and facilitate easier removal in the future. Additionally, ensuring that the screw is tightened to the correct torque specification can help prevent loosening over time.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the automotive industry. The company’s product offerings are designed to meet the needs of various applications, ensuring customer satisfaction and reliability in performance. Cummins’ dedication to excellence is evident in their manufacturing of components like the 4335612 Hexagon Flange Head Cap Screw.

Cummins Hexagon Flange Head Cap Screw 4335612 in Nissan Engines

The Cummins Hexagon Flange Head Cap Screw, part number 4335612, is a critical component in various Nissan engines, ensuring secure fastening and structural integrity. This screw is designed to withstand high stress and provide reliable performance, making it an essential part in the assembly of these engines.

Application in ISV Engines

In the ISV (Intelligent Systems Vehicle) engines by Nissan, the 4335612 screw is utilized in several key areas. Its primary function is to secure various engine components, ensuring that they remain tightly fastened and properly aligned during operation. This is particularly important in high-performance and heavy-duty engines, where vibrations and stress can lead to loosening or failure of fasteners.

The screw’s design, featuring a hexagonal head and flange, allows for efficient torque application and retention. This design ensures that the screw can be easily and securely tightened using standard tools, which is crucial for maintenance and repair operations.

Grouping of Engines

The 4335612 screw is commonly found in the following groups of Nissan engines:

• Commercial and Industrial Engines: These engines are often used in heavy-duty applications, such as construction equipment and industrial machinery. The 4335612 screw’s robust design makes it ideal for these environments, where reliability and durability are paramount.
• Marine Engines: In marine applications, the screw’s resistance to corrosion and ability to maintain tightness under harsh conditions are critical. The 4335612 screw is engineered to perform well in these demanding environments.
• Power Generation Engines: For power generation, the screw’s ability to withstand high stress and maintain secure fastening is essential. It ensures that the engine components remain stable and secure, contributing to the overall efficiency and longevity of the engine.

The Cummins Hexagon Flange Head Cap Screw 4335612 is a testament to the importance of high-quality fasteners in engine assembly. Its design and material properties make it a reliable choice for securing various components in Nissan engines, ensuring optimal performance and durability.

Role of Part 4335612 Hexagon Flange Head Cap Screw in Engine Systems

The part 4335612 Hexagon Flange Head Cap Screw is integral to the assembly and maintenance of various engine components. Its primary function is to provide secure fastening, ensuring that parts remain firmly in place under the high stresses and vibrations typical in engine operation.

Camshaft Assembly

In camshaft assemblies, the 4335612 screw is often used to attach the camshaft to the cylinder head. This secure attachment is essential for maintaining the precise alignment of the camshaft, which is vital for the proper timing of valve operations. The flange head of the screw distributes the clamping force more evenly, reducing the risk of damage to the camshaft or cylinder head surfaces.

Fuel Injector Mounting

For fuel injectors, the 4335612 screw plays a key role in mounting the injector to the cylinder head. This secure fastening ensures that the injector remains stable during engine operation, which is important for maintaining fuel delivery precision. The flange head also helps in preventing the screw from loosening over time, which could lead to fuel leaks or inconsistent fuel delivery.

Long Block Kit Integration

In long block kits, which include the cylinder block, crankshaft, pistons, and often the camshaft and cylinder head, the 4335612 screw is used in multiple applications. It is commonly employed to fasten ancillary components such as sensors, brackets, and other mounting hardware. The robust design of the screw ensures that these components remain securely attached, even under the extreme conditions encountered in high-performance engines.

General Parts Assembly

Across various engine parts, the 4335612 screw is a versatile fastener. It is used in the assembly of intake manifolds, exhaust manifolds, and other critical components. Its flange head design provides additional surface area for torque application, allowing for a more secure and reliable fastening solution.

Performance Enhancements

For performance-oriented applications, the 4335612 screw is often chosen for its strength and reliability. Whether securing aftermarket camshafts, high-flow cylinder heads, or performance fuel injectors, this screw ensures that all components are held in place with maximum efficiency. Its use in performance engines helps maintain the integrity of the assembly, contributing to overall engine reliability and performance.

Conclusion

The 4335612 Hexagon Flange Head Cap Screw is a critical component in the automotive and heavy-duty truck industry, providing secure fastening and reliable performance in demanding applications. Its robust design, high-strength materials, and efficient torque application make it an essential part in engine assemblies, transmission systems, and other critical areas. Proper installation, maintenance, and understanding of its key features and benefits ensure optimal performance and longevity of the components it secures.