4330970
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, Part #4330970, is a component manufactured by Cummins, a well-known entity in the automotive and heavy-duty truck industry. This screw is significant in the maintenance and operation of commercial trucks, providing reliable fastening solutions that contribute to the overall efficiency and safety of truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for secure tightening using a wrench or socket, while the flange distributes the load and prevents the screw from pulling through the material. In the context of truck components, these screws are used to fasten various parts securely, ensuring they remain in place under operational stress ¹.

Purpose and Role in Truck Operation

This Cummins part plays a role in the operation and maintenance of commercial trucks by securely fastening critical components. It is commonly used in areas where vibration resistance and load distribution are necessary, such as in the engine compartment, chassis, and other structural elements. Its design ensures that parts remain firmly attached, contributing to the truck’s overall performance and safety ².

Key Features

The 4330970 Hexagon Flange Head Cap Screw features a hexagonal head that provides a secure grip for tools, facilitating easy installation and removal. The flange at the base of the screw helps distribute the load, reducing the risk of the screw pulling through the material. Additionally, the screw is made from high-quality materials that offer durability and resistance to corrosion, ensuring long-term performance in demanding environments ³.

Benefits

Using the 4330970 Hexagon Flange Head Cap Screw offers several benefits. The hexagonal head design allows for precise and secure tightening, enhancing fastening security. The flange provides additional load distribution, which is particularly beneficial in applications where vibration is a concern. Furthermore, the screw’s material properties contribute to its resistance to corrosion and wear, ensuring reliable performance over time. The design also allows for easy installation and removal, simplifying maintenance procedures.

Installation and Usage Guidelines

To ensure optimal performance and longevity, follow these guidelines when installing the 4330970 Hexagon Flange Head Cap Screw:

1. Ensure the surface is clean and free of debris.
2. Align the screw with the designated hole.
3. Use a wrench or socket to tighten the screw securely, but avoid over-tightening to prevent damage.
4. Check the screw periodically for signs of wear or loosening, and tighten as necessary.

Troubleshooting and Maintenance

Common issues with the 4330970 Hexagon Flange Head Cap Screw may include signs of wear, corrosion, or failure to maintain a secure fastening. To troubleshoot these issues:

1. Inspect the screw regularly for any signs of damage or corrosion.
2. Replace the screw if it shows significant wear or if corrosion is present.
3. Ensure that the screw is tightened to the manufacturer’s specified torque to prevent loosening.

Safety Considerations

When working with the 4330970 Hexagon Flange Head Cap Screw, consider the following safety practices:

1. Use the appropriate tools to avoid damaging the screw or the surrounding components.
2. Store the screws in a dry, corrosion-resistant environment to maintain their integrity.
3. Dispose of any damaged or corroded screws properly to prevent environmental contamination.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to quality, innovation, and customer satisfaction. The company’s extensive product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of various industries, including commercial trucking.

Hexagon Flange Head Cap Screw 4330970 in Cummins Engines

The Cummins part number 4330970, a Hexagon Flange Head Cap Screw, is a critical component in several of Cummins’ engine models. This screw is integral to the assembly and maintenance of the engines, ensuring secure fastening of various parts. Here is how it fits into the specified engine models:

ISX15 CM2250 and ISX15 CM2250 SN

The ISX15 CM2250 and ISX15 CM2250 SN engines utilize the 4330970 screw in several key areas. It is commonly used in securing the cylinder heads to the engine block, ensuring a tight seal and preventing leaks. Additionally, it is employed in fastening various engine components, such as the intake manifold and exhaust components, to maintain structural integrity and operational efficiency.

ISX15 CM2350 X101

In the ISX15 CM2350 X101 engine, the 4330970 screw is similarly essential. It is used to secure the cylinder heads, intake manifold, and other critical components. The screw’s design allows for precise torque application, which is crucial for maintaining the engine’s performance and longevity.

QSX15 CM2250 ECF and QSX15 CM2350 X105

For the QSX15 CM2250 ECF and QSX15 CM2350 X105 engines, the 4330970 screw plays a vital role in securing the cylinder heads and other engine components. Its flange head design provides a larger surface area for the wrench, facilitating easier and more effective tightening. This is particularly important in the high-stress environments these engines operate in.

X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B

In the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B engines, the 4330970 screw is used in a variety of applications. It is employed to fasten components such as the cylinder heads, intake manifolds, and exhaust systems. The screw’s robust design ensures that these components are securely fastened, which is crucial for maintaining the engine’s performance and reliability.

The use of the 4330970 Hexagon Flange Head Cap Screw across these engines highlights its versatility and importance in Cummins’ engine designs. Its consistent application across various models underscores its reliability and effectiveness in securing critical engine components.

Role of Part 4330970 Hexagon Flange Head Cap Screw in Engine Systems

The part 4330970 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and efficient operation.

Drive System Integration

In the drive system, this screw is utilized to fasten critical components such as the drive shaft to the transmission housing. Its hexagonal flange head provides a secure grip, allowing for precise torque application during installation. This ensures that the drive shaft remains firmly attached, minimizing the risk of misalignment or detachment during operation. The cap screw’s design also facilitates easy removal and replacement, which is beneficial during maintenance or repair procedures.

Rear Gear Train Accessory Attachment

Within the rear gear train accessory, the 4330970 Hexagon Flange Head Cap Screw plays a significant role in attaching gear housings and supporting brackets. These accessories often experience substantial stress and vibration, making the secure fastening provided by this screw essential. The flange head of the screw distributes the clamping force more evenly across the fastened components, reducing the likelihood of damage to the gear housing or brackets. Additionally, the cap screw’s resistance to loosening under vibration ensures long-term reliability in the gear train system.

By effectively securing these components, the 4330970 Hexagon Flange Head Cap Screw contributes to the overall durability and performance of the engine system.

Conclusion

The 4330970 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flanged base, ensures secure fastening and load distribution, contributing to the overall efficiency and safety of truck components. The screw’s high-quality materials and resistance to corrosion make it a reliable choice for demanding environments. Proper installation, regular maintenance, and adherence to safety practices are essential to maximize the performance and longevity of this critical fastening solution.