3598923
Hexagon Head Set Screw
Cummins®

The Cummins 3598923 Hexagon Head Set Screw is a specialized fastener designed for use in commercial trucks. Its purpose is to provide secure and reliable fastening in various truck components, ensuring the integrity and functionality of the vehicle. This screw is particularly valued in the trucking industry for its robust design and ease of installation.

Basic Concepts of Hexagon Head Set Screws

A Hexagon Head Set Screw is a type of fastener characterized by its hexagonal head, which allows for easy and secure tightening using a hex key or socket wrench. The design of the screw includes a threaded shaft that engages with internal threads in the component it is securing. Hexagon head set screws are commonly used in applications where vibration resistance and a flush fit are required ².

Purpose and Role in Truck Operation

The Cummins 3598923 Hexagon Head Set Screw plays a significant role in the operation and maintenance of commercial trucks. It is used in various truck components, such as engine mounts, transmission housings, and chassis parts. By providing a secure fastening solution, this screw helps maintain the structural integrity and alignment of critical truck components, contributing to the overall performance and safety of the vehicle ¹.

Key Features

The Cummins 3598923 Hexagon Head Set Screw features a durable material composition, typically made from high-strength steel, ensuring it can withstand the rigors of commercial truck use. It has a fine thread type, which allows for precise adjustments and secure fastening. The hexagonal head design provides a reliable interface for tools, facilitating easy installation and removal. These features contribute to the screw’s effectiveness and durability in demanding applications ³.

Benefits

Using the Cummins 3598923 Hexagon Head Set Screw offers several benefits. Its design enhances security by providing a strong and vibration-resistant fastening solution. The ease of installation, thanks to the hexagonal head, reduces the time required for maintenance tasks. Additionally, the screw’s resistance to vibration helps maintain a secure fit over time, reducing the need for frequent re-tightening ².

Installation and Usage

Proper installation of the Cummins 3598923 Hexagon Head Set Screw involves using the appropriate hex key or socket wrench to ensure the screw is tightened to the manufacturer’s specified torque. It is important to use the correct tools to avoid damage to the screw or the component being fastened. Following the recommended installation procedures ensures the screw performs optimally and maintains its integrity ¹.

Troubleshooting and Maintenance

Common issues with Hexagon Head Set Screws include loosening due to vibration or over-tightening, which can strip the threads. To address these issues, regular inspections should be conducted to ensure screws are properly tightened. If a screw appears loose, it should be re-tightened to the specified torque. In cases where threads are stripped, the screw may need to be replaced to maintain secure fastening ².

Safety Considerations

When handling and installing the Cummins 3598923 Hexagon Head Set Screw, it is important to follow safety practices. This includes wearing personal protective equipment, such as gloves and safety glasses, to protect against injury. Proper handling techniques, such as using the correct tools and avoiding over-tightening, help ensure the screw is installed safely and effectively ³.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry. The company’s focus on developing reliable and high-performance components, such as the Cummins 3598923 Hexagon Head Set Screw, underscores its dedication to enhancing the efficiency and safety of commercial vehicles.

Compatibility with Cummins Engines

The Cummins 3598923 Hexagon Head Set Screw is designed to fit a variety of Cummins engines. This part is essential for securing components within the engine assembly, ensuring stability and proper function.

QSK19 Series

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM500
• QSK19 CM850 MCRS

The QSK19 series engines benefit from the use of the Cummins 3598923, particularly in the CM2350, CM500, and CM850 models. This screw is integral in securing various parts within these engines, ensuring they remain tightly fastened and operational.

QSK38 Series

• QSK38 CM2150 MCRS

In the QSK38 series, the CM2150 MCRS engine utilizes the Cummins 3598923. This screw is critical for maintaining the integrity of the engine’s internal components, ensuring they are held securely in place.

QSK45 Series

• QSK45 CM500

The QSK45 CM500 engine also incorporates the Cummins 3598923. This part is essential for the proper assembly and function of the engine, providing the necessary fastening for various components.

QSK50 Series

• QSK50 CM2350 K108

For the QSK50 series, the CM2350 K108 engine relies on the Cummins 3598923. This screw is vital for securing parts within the engine, ensuring they remain fixed and operational.

QSK60 Series

• QSK60 CM500
• QSK60 CM850 MCRS

The QSK60 series engines, including the CM500 and CM850 MCRS models, use the Cummins 3598923. This screw is crucial for maintaining the structural integrity of these engines by securing various components.

QSK60G Series

• QSK60G

The QSK60G engine also employs the Cummins 3598923. This part is essential for the assembly and function of the engine, providing the necessary fastening for various internal components.

QSK95 Series

• QSK95 CM2350 K111

Finally, the QSK95 CM2350 K111 engine utilizes the Cummins 3598923. This screw is critical for ensuring the engine’s components remain securely fastened, contributing to the overall stability and performance of the engine.

Role of Part 3598923 Hexagon Head Set Screw in Various Engine Systems

Aftermarket Turbocharger

In aftermarket turbochargers, the Cummins 3598923 is often utilized to secure components that require a robust and reliable fastening solution. This includes mounting brackets for the turbocharger itself, ensuring it remains firmly attached to the engine block under high-stress conditions. Additionally, it is used in the assembly of the compressor and turbine housings, where precision and stability are paramount.

Heat Exchanger and Water Cooler Turbocharger

For heat exchangers and water cooler turbochargers, the Cummins 3598923 plays a significant role in maintaining the integrity of the cooling system. It is employed to fasten the heat exchanger plates and water passages, ensuring there are no leaks and that the cooling efficiency is maximized. The screw’s design allows for easy adjustment and re-tightening, which is essential during maintenance and repair procedures.

Turbocharger

Within the turbocharger, this set screw is instrumental in securing the bearing housing and the shaft assembly. Its hexagonal head provides a secure grip, reducing the likelihood of loosening due to vibrations. This is particularly important in high-performance engines where the turbocharger operates under extreme conditions.

Turbocharger Campaign Kit

In turbocharger campaign kits, the Cummins 3598923 is used to assemble and secure various components, including the wastegate actuator and the turbine housing. Its application ensures that all parts remain in their designated positions, contributing to the overall reliability and performance of the turbocharger.

Turbocharger Housing Repair Kit

For turbocharger housing repair kits, this set screw is vital in reassembling the housing after repairs. It secures the housing to the engine and other components, ensuring a tight and leak-free seal. The screw’s durability and ease of use make it an ideal choice for repair applications.

Turbocharger Kit

In comprehensive turbocharger kits, the Cummins 3598923 is a standard component used throughout the assembly process. It is employed in securing manifold connections, mounting brackets, and various sub-assemblies, providing a consistent and reliable fastening solution across the kit.

Turbocharger Repair Kit

Finally, in turbocharger repair kits, this set screw is essential for reassembling and securing components after repairs. It is used in the turbine and compressor housings, bearing assemblies, and other critical areas, ensuring that the repaired turbocharger functions as intended.

Conclusion

The Cummins 3598923 Hexagon Head Set Screw is a critical component in the maintenance and operation of commercial trucks and various engine systems. Its robust design, ease of installation, and vibration resistance make it an invaluable part for securing components in demanding applications. Proper installation, regular maintenance, and adherence to safety practices ensure the optimal performance and longevity of this Cummins part.