3910570
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 3910570, is a specialized fastener designed for the automotive and heavy-duty truck industries. This screw is essential for the assembly and maintenance of commercial trucks, ensuring secure and reliable fastening across various components.

Basic Concepts

A Hexagon Flange Head Cap Screw is characterized by its hexagonal head and a flange—a flat, circular plate—attached to the underside of the head. This design facilitates efficient torque application and provides a larger bearing surface, which helps distribute the load more evenly. This screw is used to join components securely, maintaining structural integrity and operational efficiency ¹.

Purpose and Role in Truck Operation

The 3910570 Hexagon Flange Head Cap Screw is employed in various applications, including engine components, chassis assemblies, and body panels. It provides a secure and stable connection between parts, ensuring they remain firmly attached under demanding conditions. This screw is particularly important in areas where vibrations and dynamic loads are common, as it helps maintain the integrity of the fastened components.

Key Features

The 3910570 Hexagon Flange Head Cap Screw features a hexagonal head for easy and precise torque application using standard tools. The flange provides additional surface area, which helps distribute the clamping force more effectively and reduces the risk of component damage. The screw is typically made from high-strength materials, ensuring it can withstand the rigors of commercial truck environments. It may also feature coatings or treatments to improve corrosion resistance and longevity.

Benefits

Using the 3910570 Hexagon Flange Head Cap Screw offers several benefits, including improved fastening security, resistance to vibration loosening, and enhanced torque application. The screw’s design allows for a more even distribution of clamping force, reducing the likelihood of component failure. Its resistance to vibration loosening ensures that connections remain secure over time, even in the presence of dynamic loads. Furthermore, the screw’s durability and corrosion resistance contribute to its longevity, making it a reliable choice for demanding truck environments.

Installation and Usage Guidelines

Proper installation of the 3910570 Hexagon Flange Head Cap Screw is crucial for optimal performance and safety. Torque specifications should be followed precisely to achieve the correct clamping force without over-tightening, which could damage the components or the screw itself. 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 remove any debris or contaminants that could affect the screw’s performance.

Troubleshooting and Maintenance

Common issues with the 3910570 Hexagon Flange Head Cap Screw may include loosening, corrosion, or damage. Troubleshooting these issues involves inspecting the screw and the fastened components for signs of wear or failure. If loosening is detected, re-tightening to the specified torque may resolve the issue. Corrosion can be addressed by cleaning the affected areas and applying a suitable protective coating. Regular maintenance, such as periodic inspection and re-torqueing, can help prolong the service life and reliability of the screw.

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 has established a reputation for producing high-quality components for commercial vehicles. The company is committed to innovation and excellence, ensuring that its products meet the rigorous demands of the automotive industry. Cummins’ dedication to quality and performance is evident in its wide range of components, including the 3910570 Hexagon Flange Head Cap Screw.

Cummins Hexagon Flange Head Cap Screw 3910570 in Engine Applications

The Cummins part number 3910570, 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 a secure fastening solution in various engine applications, ensuring that components remain tightly secured under operational stresses.

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines both benefit from the use of the 3910570 screw. These engines, known for their robust performance and reliability, utilize this screw in several key areas. For instance, it is often employed in securing engine covers, heat exchangers, and other critical components that require a strong and reliable fastening method. The screw’s design, featuring a hexagonal head, allows for efficient torque application, which is essential for maintaining the integrity of the engine’s structure.

ISB5.9G CM2180 Engine

The ISB5.9G CM2180 engine also incorporates the 3910570 screw in its assembly. This engine, recognized for its power and efficiency, relies on this screw to fasten various parts, including those involved in the fuel injection system, exhaust components, and other critical assemblies. The flange head design of the screw provides a large bearing surface, which is crucial for distributing the load evenly and preventing damage to the fastened parts.

In all these engines, the 3910570 screw plays a vital role in ensuring that the engine operates smoothly and reliably. Its use in securing key components helps maintain the structural integrity of the engine, contributing to its overall performance and longevity.

Role of Part 3910570 Hexagon Flange Head Cap Screw in Engine Systems

The 3910570 Hexagon Flange Head Cap Screw is instrumental in ensuring the secure assembly and reliable operation of various engine components. Its design and functionality make it suitable for applications where stability and resistance to vibration are paramount.

Adapter Integration

In engine systems, adapters are often used to connect different components, ensuring compatibility and efficient power transfer. The Hexagon Flange Head Cap Screw plays a significant role in securing these adapters. By providing a robust fastening solution, it ensures that the adapter remains firmly in place, minimizing the risk of disconnection or misalignment during engine operation.

Front Drive Mechanism

The front drive mechanism is essential for transmitting power from the engine to the wheels in front-wheel-drive vehicles. The Hexagon Flange Head Cap Screw is utilized to fasten critical components within the front drive system, such as the drive shaft and differential housing. Its flange head design distributes the clamping force more evenly, reducing the likelihood of stripping or damaging the fastened materials.

Damper Assembly

Engine dampers are designed to absorb vibrations and reduce noise, contributing to a smoother operation. The Hexagon Flange Head Cap Screw is employed to secure damper components, ensuring they remain tightly fastened despite the constant vibrations produced by the engine. This helps maintain the damper’s effectiveness in mitigating unwanted vibrations and enhancing overall engine performance.

Vibration Control

Vibration is an inherent aspect of engine operation, but excessive vibration can lead to component wear and reduced efficiency. The Hexagon Flange Head Cap Screw is often used in areas where vibration damping is essential, such as in the mounting of vibration isolators or in the attachment of engine brackets. Its secure fastening capability helps ensure that these components remain stable, thereby contributing to the reduction of unwanted vibrations and promoting a more stable engine environment.

Conclusion

The 3910570 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and a flange, provides efficient torque application and a larger bearing surface, ensuring secure and reliable fastening. The screw’s high-strength materials and corrosion-resistant coatings make it suitable for demanding environments. Proper installation and maintenance are essential for optimal performance, and its use in various engine applications highlights its importance in ensuring the structural integrity and reliable operation of engine components.