4394440
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4394440, is a specialized fastener produced by Cummins, a leading manufacturer in the automotive and heavy-duty truck industries. This screw is designed to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and durability in various truck components.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head and flanged design, which provides a larger bearing surface and enhanced resistance to loosening. These screws are typically made from high-strength materials such as alloy steel, which offers superior tensile strength and corrosion resistance. In the automotive industry, they are commonly used to secure critical components, ensuring structural integrity and long-term reliability ¹.

Purpose and Function

This Cummins part plays a significant role in the operation of heavy-duty trucks. It is utilized in applications where high tensile strength and resistance to vibration are required. This screw helps to secure engine components, transmission parts, and other critical assemblies, contributing to the overall functionality and reliability of the vehicle. Its design ensures that fastened components remain securely in place under various operating conditions ².

Key Features

The primary characteristics of the 4394440 Hexagon Flange Head Cap Screw include its hexagonal flange head, which provides a larger contact area and improved torque application. The screw features precise threading specifications to ensure a secure fit and reliable performance. Additionally, its unique flange design distinguishes it from standard cap screws, offering enhanced resistance to loosening and improved load distribution ³.

Benefits

This part offers several advantages in heavy-duty truck applications. Its high-strength material ensures enhanced durability, while the flanged head design provides resistance to loosening under vibration. The screw’s precise threading allows for improved torque application, ensuring a secure and reliable fastening solution. These features contribute to the screw’s effectiveness in demanding environments.

Installation and Usage

Proper installation of the 4394440 Hexagon Flange Head Cap Screw is crucial for ensuring a secure and reliable fastening solution. Recommended torque settings should be followed to achieve the correct clamping force without over-tightening. Compatible materials, such as high-strength steel or aluminum, should be used to ensure optimal performance. Best practices include using a torque wrench for accurate tightening and inspecting the screw regularly for signs of wear or damage.

Troubleshooting and Maintenance

Common issues with the 4394440 Hexagon Flange Head Cap Screw may include corrosion, stripping, or loosening. Regular inspection and maintenance can help identify these problems early. To address corrosion, ensure that the screw and surrounding components are clean and free from moisture. If stripping occurs, replace the screw with a new one of the appropriate size and grade. To prevent loosening, verify that the correct torque settings are used during installation and perform periodic checks to ensure the screw remains secure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive and heavy-duty truck industries, Cummins is known for its high-quality products and innovative solutions. The company’s commitment to excellence is reflected in its manufacturing of the 4394440 Hexagon Flange Head Cap Screw, which is designed to meet the rigorous demands of heavy-duty applications.

Cummins Engine Part 4394440: Hexagon Flange Head Cap Screw

The Cummins part number 4394440, a Hexagon Flange Head Cap Screw, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide secure fastening in various engine applications, ensuring that components remain tightly secured under operational stresses.

B6.7 CM2670

In the B6.7 CM2670 engine, the Hexagon Flange Head Cap Screw is utilized in several key areas. It is often employed to fasten components such as engine covers, brackets, and other structural parts that require robust and reliable fastening. The screw’s design allows for easy installation and removal, which is crucial during routine maintenance and repairs.

B153B

Similarly, in the B153B engine, the Hexagon Flange Head Cap Screw is integral to the assembly of various engine parts. Its use extends to securing engine covers, brackets, and other critical components. The screw’s flange head provides a larger surface area, which helps distribute the load more evenly, reducing the risk of stripping or damage to the fastened parts.

Grouping of Engines

The Hexagon Flange Head Cap Screw is a versatile component that finds application across multiple Cummins engine models. Its design and functionality make it suitable for use in both the B6.7 CM2670 and B153B engines. The screw’s ability to provide a strong and reliable fastening solution ensures that engine components remain securely in place, contributing to the overall performance and longevity of the engine.

Conclusion

The 4394440 Hexagon Flange Head Cap Screw is a vital component in the automotive and heavy-duty truck industries, offering reliable performance and durability in demanding applications. Its unique design, high-strength material, and precise threading specifications make it an essential fastener for securing critical engine components. Proper installation, regular maintenance, and adherence to recommended torque settings are crucial for ensuring the screw’s effectiveness and longevity in heavy-duty applications.