3641835
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3641835, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the fastening systems used in commercial trucks, contributing to the overall reliability and performance of these vehicles. Cummins is renowned for its commitment to quality and innovation in the manufacturing of commercial truck components, making this screw a trusted choice for truck operators and maintenance professionals.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. It is commonly used in various fastening applications where secure and stable connections are required. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute loads and prevent the screw from sinking into the material it is securing. Within mechanical systems, these screws play a role in joining components securely, ensuring that parts remain in place under operational stresses ¹.

Purpose and Role in Truck Operation

The 3641835 Hexagon Flange Head Cap Screw serves a specific purpose in the context of commercial trucks. It is utilized in applications where structural integrity and secure fastening are paramount. This screw helps in maintaining the alignment and stability of various truck components, contributing to the safe and efficient operation of the vehicle. By providing a robust fastening solution, it ensures that parts remain securely attached, even under the dynamic conditions experienced by commercial trucks ².

Key Features

The 3641835 Hexagon Flange Head Cap Screw is distinguished by several key features that enhance its performance and durability. Its hexagonal head design facilitates easy and precise torque application, ensuring that the screw is tightened to the correct specification. The flange at the base of the screw increases the surface area in contact with the fastened material, which helps in distributing loads more evenly and reducing the risk of the screw pulling through. Additionally, the material properties of the screw, typically a high-strength alloy, contribute to its resistance to wear, corrosion, and fatigue, making it suitable for demanding applications ³.

Benefits

Using the 3641835 Hexagon Flange Head Cap Screw offers several benefits. The design of the screw allows for enhanced torque application, ensuring that it can be tightened to the manufacturer’s specifications without slipping. This results in a more secure fastening that is less prone to loosening over time. The flange characteristic of the screw improves load distribution, reducing stress concentrations and enhancing the overall stability of the fastened components. Furthermore, the material properties of the screw contribute to its durability, providing resistance to corrosion and fatigue, which are common issues in the harsh environments encountered by commercial trucks.

Installation and Usage

Proper installation of the 3641835 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without over-tightening, which could lead to damage. Best practices include cleaning the fastening area to remove any debris or contaminants that could affect the screw’s grip. Additionally, using a torque wrench ensures that the screw is tightened to the precise torque value, contributing to a secure and reliable fastening.

Troubleshooting and Maintenance

Common issues with the 3641835 Hexagon Flange Head Cap Screw, such as loosening or corrosion, can often be addressed through proper maintenance practices. Regular inspections should be conducted to check for signs of wear, corrosion, or loosening. If corrosion is detected, cleaning the affected area and applying a suitable corrosion-resistant coating can help prolong the screw’s lifespan. In cases where the screw has loosened, re-tightening to the manufacturer’s torque specifications is recommended. For screws that are significantly worn or damaged, replacement may be necessary to maintain the integrity of the fastening.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive industry. The company’s commitment to excellence is evident in its extensive range of commercial truck components, which are designed to meet the demanding requirements of modern transportation. Cummins’ focus on quality and customer satisfaction ensures that its products, including the 3641835 Hexagon Flange Head Cap Screw, are trusted by professionals in the industry.

Hexagon Flange Head Cap Screw 3641835 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3641835, manufactured by Cummins, is a critical component in several of their engine models. This screw is designed to provide secure fastening in various engine applications, ensuring that parts remain tightly secured under operational stresses.

Application in QSK19 Series

The QSK19 series engines, including the QSK19 CM2350 K114, QSK19 CM2350 K144G, and QSK19 CM2350 K111, utilize the 3641835 screw in multiple locations. These engines are known for their robust design and high performance, and the screw plays a vital role in maintaining the integrity of the engine’s structure. Specifically, the screw is used in areas where a strong, reliable connection is essential, such as securing engine covers or housings.

Application in QSK50 Series

In the QSK50 CM2150 K107 engine, the 3641835 screw is employed in several key areas. This engine is designed for heavy-duty applications, and the screw’s ability to withstand high torque and stress is crucial. It is often used in fastening components that are exposed to significant operational forces, ensuring that the engine’s parts remain securely attached.

Application in QSK78 Series

The QSK78 CM500 engine also incorporates the 3641835 screw in its design. This engine is engineered for durability and efficiency, and the screw’s role in maintaining the structural integrity of the engine is paramount. It is used in various applications where a reliable and robust fastening solution is required, such as securing engine mounts or other critical components.

Common Usage Across Models

Across these models, the 3641835 screw is a versatile component that ensures the secure attachment of various engine parts. Its design allows for easy installation and removal, which is essential for maintenance and repair operations. The screw’s flange head provides a broad surface area for torque application, ensuring that the connection remains tight and secure under operational conditions.

Role of Part 3641835 Hexagon Flange Head Cap Screw in Engine Systems

The part 3641835 Hexagon Flange Head Cap Screw is instrumental in ensuring the secure assembly and reliable operation of various engine components. Its design and functionality are particularly significant in the context of turbochargers, turbocharger gasket kits, and turbocharger kits.

Turbocharger

In turbochargers, the Hexagon Flange Head Cap Screw is often used to fasten the compressor cover to the turbine housing. This secure attachment is essential for maintaining the structural integrity of the turbocharger, ensuring that the high-speed rotating components remain aligned and operate efficiently. The screw’s flange head provides additional surface area for torque application, reducing the risk of stripping and enhancing the overall stability of the connection.

Turbocharger Gasket Kit

When integrating a turbocharger gasket kit, the Hexagon Flange Head Cap Screw plays a pivotal role in sealing the various interfaces within the turbocharger assembly. Proper torque application using this screw ensures that gaskets are compressed adequately, preventing leaks and maintaining the pressure differentials necessary for optimal turbocharger performance. The flange head design also helps in distributing the clamping force evenly, which is vital for the longevity and effectiveness of the gaskets.

Turbocharger Kit

In a comprehensive turbocharger kit, which includes multiple components such as the turbocharger, intercooler, and associated piping, the Hexagon Flange Head Cap Screw is utilized across several connection points. Its application in securing the turbocharger to the engine, attaching the intercooler to its mounting brackets, and fastening the piping ensures a cohesive and robust assembly. The screw’s design facilitates easy installation and removal, which is beneficial during maintenance or upgrades, thereby enhancing the overall efficiency of the turbocharger system.

Conclusion

The 3641835 Hexagon Flange Head Cap Screw is a critical component in the commercial truck industry, providing secure and reliable fastening solutions for various engine and truck components. Its design, featuring a hexagonal head and flanged base, ensures efficient torque application and enhanced load distribution. The screw’s material properties contribute to its durability, making it suitable for the demanding environments encountered by commercial trucks. Proper installation and maintenance practices are essential to ensure the longevity and performance of this Cummins part. Its application across different Cummins engine models, including the QSK19, QSK50, and QSK78 series, underscores its versatility and importance in maintaining the structural integrity and operational efficiency of these engines.