3424764
Hexagon Head Cap Screw
Cummins®

The 3424764 Hexagon Head Cap Screw is a common fastening component used extensively in commercial trucks for securing various parts and assemblies. Manufactured by Cummins, a renowned name in the commercial truck industry, this part is designed to meet the demanding requirements of truck operations. Cummins, known for its commitment to quality and innovation, produces a wide range of components that enhance the performance and reliability of commercial vehicles.

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 hexagonal shape provides a greater contact area compared to other head types, reducing the risk of cam-out and ensuring more secure fastening. The screw’s structure typically includes a threaded shaft that engages with the internal threads of a mating part, creating a strong and durable connection. This design is particularly advantageous in applications where vibration and dynamic loads are present, as the hexagonal head helps maintain the integrity of the fastening ¹.

Purpose of the 3424764 Hexagon Head Cap Screw in Truck Operations

The 3424764 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is commonly used in applications where secure and reliable fastening is required, such as in engine assemblies, transmission components, and chassis parts. Examples of its use include securing engine covers, attaching brackets, and fastening various structural components. Its design ensures that these parts remain securely in place, contributing to the overall safety and performance of the truck ².

Key Features

The 3424764 Hexagon Head Cap Screw is crafted from high-quality materials, typically alloy steel, which provides excellent strength and durability. It features a coarse thread type, which allows for quick and easy installation while ensuring a strong grip. The screw’s design includes a flat underside on the head, which helps distribute the clamping force evenly across the fastened parts. Additionally, the screw may have a zinc-plated finish to enhance corrosion resistance, making it suitable for use in various environments ³.

Benefits

Using the 3424764 Hexagon Head Cap Screw offers several benefits. Its hexagonal head design provides a secure and efficient fastening solution, reducing the likelihood of loosening due to vibration. The high-quality material and coarse thread type contribute to improved fastening security and durability. Additionally, the screw’s design allows for easy installation and removal, making maintenance tasks more straightforward and efficient.

Installation Guidelines

Proper installation of the 3424764 Hexagon Head Cap Screw is crucial for ensuring its effectiveness and longevity. The following guidelines should be followed:

1. Clean the Fastening Area: Ensure that the surfaces to be fastened are clean and free of debris.
2. Use the Correct Tool: Employ a wrench or socket that fits the hexagonal head precisely to avoid damage.
3. Apply Torque Specifications: Follow the recommended torque specifications provided by Cummins to achieve the correct clamping force without over-tightening.
4. Check for Proper Seating: Ensure that the screw is fully seated and that the fastened parts are securely held in place.

Maintenance and Troubleshooting

Regular maintenance of the 3424764 Hexagon Head Cap Screw is important to ensure its continued performance. Inspect the screw periodically for signs of wear, corrosion, or loosening. Clean the screw and surrounding areas to remove any buildup that could affect its function. If loosening is detected, re-tighten the screw to the specified torque. In cases of corrosion, consider replacing the screw to prevent further degradation and ensure reliable fastening.

Compatibility and Applications

The 3424764 Hexagon Head Cap Screw is designed for use in Cummins engines and other truck components. It is compatible with a variety of materials and environments, making it a versatile choice for different applications within the truck industry. Its robust design and high-quality construction ensure that it can withstand the rigors of commercial truck operations.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to excellence is evident in its product range, which is designed to meet the demanding requirements of modern truck operations. Cummins’ focus on quality and customer satisfaction ensures that its components, including the 3424764 Hexagon Head Cap Screw, deliver reliable performance and durability.

Hexagon Head Cap Screw 3424764 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3424764 is a critical component in several Cummins engine models. This screw is utilized in the assembly and maintenance of various engine parts, ensuring structural integrity and proper function.

QSK50 and QSK60 Series

In the QSK50 CM2350 K108 and QSK60 G CM2358 K110 engines, the 3424764 screw is often used in the engine’s mounting and fastening applications. These engines, known for their robust design and high performance, require reliable fastening solutions to maintain alignment and stability under heavy loads.

QSK60G

The QSK60G engine also incorporates the 3424764 screw in its assembly. This engine is designed for demanding applications, and the screw’s precision and durability are essential for maintaining the engine’s operational integrity.

QSV91-G4 Series

For the QSV91-G4 CM558/CM700 V102 engine, the 3424764 screw is used in various critical fastening applications. This engine, with its advanced technology and high efficiency, relies on the screw to secure components that are subjected to significant stress and vibration.

QSW27 and QSW36

In the QSW27 and QSW36 engines, the 3424764 screw is employed in fastening and securing various parts. These engines, designed for specific industrial applications, benefit from the screw’s ability to provide a strong and reliable connection, ensuring the longevity and performance of the engine.

Role of Part 3424764 Hexagon Head Cap Screw in Engine Systems

The part 3424764 Hexagon Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and proper function.

In the arrangement of engine components, this screw plays a significant role in fastening parts that require precise alignment and secure attachment. Its hexagonal head allows for efficient torque application, minimizing the risk of stripping and ensuring a tight fit.

Within the turbocharger system, the Hexagon Head Cap Screw is used to secure the turbocharger to the engine block or manifold. This secure attachment is essential for maintaining the turbocharger’s position and ensuring it operates within the designed parameters, contributing to efficient airflow and boost pressure regulation.

In the exhaust assembly manifold, this screw is vital for attaching the manifold to the engine block. A secure connection here prevents exhaust leaks, which can lead to performance issues and increased emissions.

Similarly, in the exhaust manifold, the screw ensures that the manifold is firmly attached to the cylinder head. This attachment is crucial for directing exhaust gases away from the engine efficiently and maintaining the integrity of the exhaust system.

The manifold itself, whether intake or exhaust, relies on the Hexagon Head Cap Screw to maintain a leak-free seal. This is particularly important in high-performance engines where even minor leaks can significantly affect engine efficiency and power output.

Lastly, in the exhaust system, this screw is used to secure various components such as catalytic converters, mufflers, and tailpipes. Ensuring these parts are tightly fastened prevents vibrations, reduces noise, and maintains the structural integrity of the exhaust system.

Conclusion

The 3424764 Hexagon Head Cap Screw is a vital component in the operation and maintenance of commercial trucks and Cummins engines. Its robust design, high-quality materials, and efficient fastening capabilities make it an essential part for securing various engine components, ensuring stability, and maintaining proper function. Proper installation, regular maintenance, and understanding its applications are key to leveraging the full benefits of this Cummins part.