3393480
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flanged Head Cap Screw (Part #3393480) manufactured by Cummins is a specialized fastener designed for use in commercial truck applications. This screw is significant due to its robust design and reliable performance, which contribute to the overall efficiency and safety of commercial trucks.

Basic Concepts

A Hexagon Flanged Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged design. The hexagonal shape allows for efficient torque application using standard tools, while the flanged head provides additional surface area for distribution of clamping force. This design helps in securing components firmly and preventing loosening under vibration and dynamic loads ¹.

Purpose and Role in Truck Operation

This Cummins part plays a role in commercial trucks by securing various components, ensuring structural integrity, and maintaining operational efficiency. It is commonly used in applications where high clamping force and resistance to loosening are required. By securely fastening parts together, it helps in preventing component failure and ensuring the truck operates smoothly under various conditions ².

Key Features

The Hexagon Flanged Head Cap Screw features a hexagonal head shape, which facilitates easy and precise tightening with standard tools. The flanged design provides additional bearing surface, enhancing the screw’s ability to distribute clamping force evenly. Made from high-quality materials, typically steel alloys, it offers excellent strength and durability. The thread specifications are designed to ensure a secure fit and reliable performance in demanding environments ³.

Benefits

This part offers several benefits in commercial truck applications. Its design provides enhanced fastening strength, making it resistant to loosening under vibration. The ease of installation and removal using standard tools simplifies maintenance procedures. Additionally, its durability in harsh operating conditions ensures long-term reliability and performance.

Installation and Usage Guidelines

Proper installation of the Hexagon Flanged Head Cap Screw is vital for ensuring secure fastening. Torque specifications should be followed to achieve the correct clamping force without over-tightening, which could damage the screw or the components being fastened. Recommended tightening procedures involve using a torque wrench to apply the specified torque in incremental steps. Best practices include cleaning the mating surfaces before installation to ensure a proper fit and maximum clamping force.

Troubleshooting and Maintenance

Common issues with the Hexagon Flanged Head Cap Screw may include loosening, corrosion, or damage. Regular inspection and maintenance can help identify and address these issues promptly. If loosening is detected, re-tightening to the specified torque is recommended. Corrosion can be prevented by applying an appropriate coating or lubricant. Damaged screws should be replaced to maintain the integrity of the fastening application.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality, innovation, and customer satisfaction. With a rich history of producing reliable and high-performance components, Cummins offers a wide range of products designed to meet the demanding requirements of commercial trucking. The company’s dedication to excellence ensures that its parts, including the Hexagon Flanged Head Cap Screw, deliver consistent performance and durability in various applications.

Cummins Part 3393480 in Engine Applications

The Cummins part 3393480, a Hexagon Flanged Head Cap Screw, is a critical component in various engine models. This part is integral to the assembly and maintenance of several Cummins engines, ensuring secure fastening and structural integrity.

6C8.3 Engine

In the 6C8.3 engine, the Hexagon Flanged Head Cap Screw is used in various applications to secure different parts of the engine. Its design allows for reliable fastening, which is crucial for maintaining the engine’s operational efficiency and longevity.

QSK60 CM500 and QSK60 CM850 MCRS

For the QSK60 CM500 and QSK60 CM850 MCRS engines, the Hexagon Flanged Head Cap Screw is employed in several key areas. These engines benefit from the screw’s ability to provide a strong and secure connection, which is essential for the proper functioning of the engine’s components.

QSK60 G CM2358 K110 and QSK60G

In the QSK60 G CM2358 K110 and QSK60G engines, the Hexagon Flanged Head Cap Screw is utilized in various applications to ensure that parts are fastened securely. This screw’s design and material properties make it suitable for the demanding conditions these engines operate under, contributing to the overall reliability and performance of the engine.

Role of Part 3393480 Hexagon Flanged Head Cap Screw in Engine Systems

In the intricate world of engine systems, the part 3393480 Hexagon Flanged Head Cap Screw serves as a vital fastening component, ensuring the secure assembly and operation of various engine components. Its application spans across multiple systems, contributing to the overall efficiency and reliability of the engine.

Heat Exchanger

Within the heat exchanger, the Hexagon Flanged Head Cap Screw is employed to fasten the various plates and tubes that constitute the core of the heat exchanger. This secure attachment is essential for maintaining the structural integrity of the heat exchanger, allowing it to effectively transfer heat between the engine’s coolant and the surrounding air. The screw’s design ensures a tight seal, preventing leaks that could compromise the heat exchanger’s performance and, by extension, the engine’s cooling efficiency.

Lubricating Oil Filter

In the lubricating oil filter system, the Hexagon Flanged Head Cap Screw plays a key role in securing the filter housing to the engine block or filter base. This secure attachment is vital for maintaining the filter’s position and ensuring that the oil flows through the filter media without bypassing, which could lead to unfiltered oil circulating within the engine. The screw’s hexagonal flanged head provides additional surface area for torque application, enhancing the fastening strength and reducing the risk of loosening over time.

Oil Pan

The oil pan, which serves as the reservoir for the engine’s lubricating oil, also benefits from the use of the Hexagon Flanged Head Cap Screw. This screw is utilized to secure the oil pan to the engine block, ensuring a leak-proof seal that prevents oil loss. The screw’s design allows for easy installation and removal, facilitating maintenance procedures such as oil changes or repairs. Additionally, the flanged head of the screw provides a larger contact area with the oil pan and engine block, distributing the fastening force more evenly and reducing the risk of damage to the components.

Conclusion

In summary, the part 3393480 Hexagon Flanged Head Cap Screw is a fundamental component in the assembly and operation of engine systems. Its application in the heat exchanger, lubricating oil filter, and oil pan underscores its importance in maintaining the structural integrity, efficiency, and reliability of these critical engine components.