3641250
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3641250, is a specialized fastener produced by Cummins. This screw is integral to the assembly and maintenance of commercial trucks, providing a reliable fastening solution that ensures components remain securely in place under various operational conditions. Cummins, a renowned manufacturer in the automotive industry, is known for its commitment to producing high-quality components that enhance the performance and durability of commercial vehicles ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. Within a fastening system, this screw plays a role by securely joining components, ensuring structural integrity and stability ².

Purpose and Role in Truck Operation

The 3641250 Hexagon Flange Head Cap Screw is designed to play a specific role in the operation and maintenance of commercial trucks. It is commonly used in applications where high torque and secure fastening are required, such as in the attachment of engine components, chassis parts, and other critical assemblies. Its design ensures that components remain firmly in place, even under the dynamic and demanding conditions experienced by commercial trucks ³.

Key Features

The 3641250 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and durability. Its hexagonal head design allows for easy and efficient torque application using common tools. The flange at the base of the screw provides additional surface area, which helps in distributing the load more evenly and prevents the screw from embedding into the material. Additionally, the screw is crafted from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-lasting performance in harsh environments ⁴.

Benefits

The 3641250 Hexagon Flange Head Cap Screw offers several benefits that make it an ideal choice for commercial truck applications. Its design allows for improved torque application, ensuring that components are securely fastened. The flange characteristic enhances resistance to loosening, maintaining the integrity of the fastening over time. Furthermore, the even load distribution provided by the flange reduces the risk of material deformation, contributing to the overall durability of the assembly ⁵.

Installation Guidelines

Proper installation of the 3641250 Hexagon Flange Head Cap Screw is vital to ensure secure and effective fastening. Begin by selecting the appropriate size and grade of screw for the application. Use a torque wrench to apply the recommended torque specification, ensuring that the screw is tightened to the manufacturer’s guidelines. It is important to avoid over-tightening, which can lead to damage, and under-tightening, which can compromise the fastening. Additionally, ensure that the surfaces being joined are clean and free of debris to promote a strong and lasting connection ⁶.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening over time and corrosion. To troubleshoot these issues, regularly inspect the screws for signs of wear or damage. If loosening is detected, re-tighten the screw to the recommended torque specification. To prevent corrosion, apply a suitable anti-corrosive coating or lubricant, especially in environments where the screw is exposed to moisture or chemicals. Routine maintenance and inspection will help prolong the lifespan and reliability of the fastener ⁷.

Compatibility and Applications

The 3641250 Hexagon Flange Head Cap Screw is typically used in a variety of applications within commercial trucks. It is compatible with various truck models and components, making it a versatile fastening solution. Common applications include the attachment of engine components, chassis parts, and other critical assemblies where secure and durable fastening is required ⁸.

Manufacturer - Cummins

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. The company has a long history of producing high-quality truck components that enhance the performance and reliability of commercial vehicles. Cummins is committed to innovation and excellence, ensuring that their products meet the demanding requirements of the industry. Their Hexagon Flange Head Cap Screws are a testament to their dedication to quality and durability in fastening solutions ⁹.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw

The Hexagon Flange Head Cap Screw part number 3641250, manufactured by Cummins, is a versatile component that fits seamlessly into various Cummins engine models. This screw is designed to provide robust fastening solutions in demanding environments, ensuring the integrity and performance of the engine systems.

QSK45 CM500 and QSK60 CM500

Both the QSK45 CM500 and QSK60 CM500 engines benefit from the use of the 3641250 screw. This part is particularly useful in securing components that require a strong and reliable fastening method. Its design ensures that it can withstand the operational stresses and environmental conditions these engines typically encounter ¹⁰.

QSK60 CM850 MCRS and QSK60 G CM2358 K110

The QSK60 CM850 MCRS and QSK60 G CM2358 K110 engines also utilize the 3641250 screw. In these models, the screw is often employed in critical areas where high torque and durability are essential. Its flange head design provides a larger bearing surface, which is beneficial for distributing loads evenly and preventing damage to the fastened components ¹¹.

QSK60G

The QSK60G engine incorporates the 3641250 screw in various applications throughout its structure. This engine’s design demands high-strength fasteners to maintain the alignment and stability of its components, making the Hexagon Flange Head Cap Screw an ideal choice ¹².

QSK78 CM500

In the QSK78 CM500 engine, the 3641250 screw is used to secure parts that are subjected to significant mechanical stress. Its robust construction ensures that these parts remain tightly fastened, contributing to the overall reliability and longevity of the engine ¹³.

By integrating the 3641250 Hexagon Flange Head Cap Screw into these Cummins engine models, the manufacturer ensures that the engines operate with optimal efficiency and durability. This screw’s compatibility across various engine types highlights its versatility and importance in maintaining the structural integrity of Cummins engines.

Role of Part 3641250 Hexagon Flange Head Cap Screw in Engine Systems

The part 3641250 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and proper function.

In the camshaft assembly, this screw is often used to fasten the camshaft to the cylinder head, providing the necessary torque to maintain alignment and prevent movement during operation.

When it comes to the cylinder head, the screw plays a role in attaching ancillary components such as sensors or actuators, which are vital for monitoring and controlling engine performance.

In the fuel manifold system, the Hexagon Flange Head Cap Screw is employed to secure the manifold to the engine block or head, ensuring a leak-free connection that is essential for efficient fuel delivery.

The head of the engine, which encompasses the cylinder head and valvetrain, utilizes this screw to attach components like the valve cover or timing chain housing, contributing to the overall integrity of the head assembly.

Within the cylinder, although direct application might be less common, the screw can be used in auxiliary attachments or modifications, such as securing aftermarket performance parts.

For the injector and injector plumbing, the screw is crucial in fastening injectors to the cylinder head and securing plumbing connections, ensuring precise fuel injection and preventing leaks.

In the module and fuel control systems, the screw is used to mount electronic control units or fuel regulators, maintaining the structural stability required for accurate fuel management.

Lastly, in the wiring retainer bracket, the Hexagon Flange Head Cap Screw is utilized to secure wiring harnesses in place, protecting them from vibration and ensuring they remain in the correct position for optimal electrical performance.

Overall, the part 3641250 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure attachment and reliable operation of numerous engine components.

Conclusion

The 3641250 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 flanged base, ensures efficient torque application and even load distribution, contributing to the structural integrity and durability of fastened components. Proper installation, regular maintenance, and the use of high-quality materials make this screw an ideal choice for demanding applications in the automotive industry.