3347599
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #3347599 by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the automotive industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to the fastening systems used in commercial trucks, ensuring secure and reliable connections across various components.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The screw’s design includes external threading that engages with internal threads in a mating part, creating a strong and stable connection. In fastening applications, these screws are used to join components securely, distributing load and stress effectively across the threaded interface ¹.

Purpose of the 3347599 Hexagon Head Cap Screw in Trucks

This Cummins part plays a significant role in the operation and maintenance of commercial trucks. It is employed in various critical applications where secure fastening is required. This includes attaching engine components, securing chassis parts, and ensuring the integrity of structural elements. The screw’s design and material properties contribute to its ability to withstand the high stresses and vibrations encountered in truck operations ².

Key Features

The 3347599 Hexagon Head Cap Screw boasts several specific features that enhance its performance. It is crafted from high-quality materials, typically alloy steel, which provides excellent strength and durability. The screw features precise threading that ensures a tight and secure fit, minimizing the risk of loosening over time. The hexagonal head design allows for easy and efficient tightening using standard tools, making it a practical choice for various applications ³.

Benefits

Using the 3347599 Hexagon Head Cap Screw offers several advantages. Its durable construction ensures long-lasting performance even under demanding conditions. The ease of use, thanks to the hexagonal head, allows for quick and efficient installation and removal. Additionally, the screw’s design resists loosening, maintaining secure connections and reducing the need for frequent re-tightening.

Installation Process

Proper installation of the 3347599 Hexagon Head Cap Screw is crucial for optimal performance and safety. Begin by ensuring the mating threads are clean and free of debris. Align the screw with the corresponding hole and start threading it by hand to avoid cross-threading. Once the screw is partially engaged, use a wrench or socket to tighten it to the manufacturer’s specified torque settings. This ensures the screw is secure without over-tightening, which could damage the threads or the component.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws include loosening, corrosion, and damage to the hexagonal head. To address loosening, ensure the screw is tightened to the correct torque specification and consider using a thread locker for additional security. Corrosion can be prevented by applying an anti-corrosion coating or using screws made from corrosion-resistant materials. If the hexagonal head is damaged, replace the screw to maintain proper functionality.

Maintenance Tips

Regular maintenance of the 3347599 Hexagon Head Cap Screw can prolong its lifespan and ensure continued reliability. Inspect screws periodically for signs of loosening or damage. Clean and re-torque screws as needed, especially in high-vibration areas. Applying a thread locker can also help maintain secure connections. Additionally, protecting screws from environmental factors such as moisture and chemicals can prevent corrosion and extend their service life.

About Cummins

Cummins is a leading manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins serves a wide range of industries, including commercial trucking. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. Cummins’ dedication to excellence ensures that their products, like the 3347599 Hexagon Head Cap Screw, deliver superior performance and durability.

Cummins Hexagon Head Cap Screw 3347599 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 3347599 is a critical component in the assembly and maintenance of various Cummins engines. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of engine components.

QSK19 CM500 Engines

In the QSK19 CM500 engines, the Hexagon Head Cap Screw 3347599 is utilized in several key areas. It is often employed in the fastening of engine blocks, cylinder heads, and other structural components. This screw’s design allows for precise torque application, which is essential for maintaining the alignment and structural integrity of these parts. The robust construction of the screw ensures it can withstand the operational stresses and temperatures encountered in these engines.

Grouping of Engines

The Hexagon Head Cap Screw 3347599 is also a common component in other Cummins engine models. Its versatility and reliability make it suitable for use in various engine configurations, including but not limited to, the QSK19 series. The screw’s design facilitates easy installation and removal, which is crucial during routine maintenance and repairs. Its use in multiple engine models underscores its importance in ensuring the longevity and performance of Cummins engines.

Role of Part 3347599 Hexagon Head Cap Screw in Engine Systems

In the context of engine systems, particularly the engine cooling system, the 3347599 Hexagon Head Cap Screw serves as a vital fastening component. This screw is instrumental in securing various elements within the cooling system, ensuring the structural integrity and efficient operation of the system.

Engine Cooling System Integration

Within the engine cooling system, the 3347599 Hexagon Head Cap Screw is commonly used to fasten components such as the thermostat housing, water pump, and radiator mounting brackets. By providing a secure attachment point, it helps maintain the alignment and stability of these components, which is essential for the proper flow of coolant throughout the system.

The screw’s hexagonal head design allows for easy and precise tightening using a socket wrench, ensuring that the components are held firmly in place without the risk of over-tightening or stripping. This is particularly important in the cooling system, where leaks can lead to engine overheating and potential damage.

Additionally, the 3347599 Hexagon Head Cap Screw is often utilized in the attachment of sensor brackets and coolant hose connectors. These applications require a reliable fastening solution to ensure that sensors are accurately positioned and hoses are securely connected, contributing to the overall efficiency and reliability of the cooling system.

In summary, the 3347599 Hexagon Head Cap Screw plays a significant role in the engine cooling system by providing a robust and dependable method for securing critical components, thereby supporting the system’s function and longevity.

Conclusion

The 3347599 Hexagon Head Cap Screw by Cummins is a critical component in the automotive industry, particularly for commercial trucks and engine systems. Its robust design, ease of use, and reliable performance make it an essential part for securing various components under demanding conditions. Proper installation, maintenance, and understanding of its applications ensure the longevity and efficiency of the systems it supports.