3093927
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3093927, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to various applications within commercial trucks, providing reliable fastening solutions that contribute to the overall performance and durability of the vehicle.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that distributes the load over a larger area, reducing the risk of the screw sinking into the material ¹. These screws are typically made from high-strength materials such as alloy steel, which ensures they can withstand significant stress and strain. In the automotive industry, they are commonly used for fastening components that require a secure and durable connection, such as engine parts, chassis components, and various structural elements.

Purpose and Role in Truck Operation

The 3093927 Hexagon Flange Head Cap Screw plays a specific role in the operation of commercial trucks by securely fastening critical components. Its design allows it to provide a strong and stable connection, which is vital for maintaining the integrity of the truck’s structure and ensuring that components remain firmly in place under various driving conditions. This contributes to the overall functionality and performance of the vehicle, enhancing safety and reliability.

Key Features

The 3093927 Hexagon Flange Head Cap Screw features a hexagonal flange head, which offers several advantages. The hexagonal shape allows for easy tightening and loosening using a wrench, while the flange distributes the clamping force over a larger area, reducing the likelihood of the screw pulling through the material ². The threading specifications of this screw are designed to provide a strong and secure connection, and it may include unique attributes such as a corrosion-resistant coating to enhance its performance and reliability in demanding environments.

Benefits

The 3093927 Hexagon Flange Head Cap Screw offers several benefits, including improved fastening strength, resistance to loosening, and durability under heavy-duty conditions. Its design ensures a secure connection that can withstand significant stress, reducing the risk of component failure. The flange head also helps to prevent the screw from sinking into the material, maintaining a consistent and reliable connection over time.

Installation and Usage

Proper installation of the 3093927 Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance. Recommended torque settings should be followed to achieve the correct clamping force without over-tightening, which could damage the screw or the material ³. It is also important to use compatible materials and follow best practices for installation, such as ensuring the surfaces are clean and free from debris to prevent corrosion and ensure a strong connection.

Troubleshooting and Maintenance

Common issues with the 3093927 Hexagon Flange Head Cap Screw may include loosening, corrosion, or damage. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. If loosening is detected, the screw should be re-tightened to the recommended torque setting. Corrosion can be prevented by ensuring the screw is properly coated and by applying a protective treatment if necessary. Any damage to the screw should be addressed promptly to maintain the integrity of the connection.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. The company has a long history of producing reliable and high-performance automotive components, including the 3093927 Hexagon Flange Head Cap Screw. Cummins’ reputation for excellence is built on its dedication to research and development, ensuring that its products meet the demanding requirements of commercial truck applications.

Hexagon Flange Head Cap Screw 3093927 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3093927, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide a secure fastening solution, ensuring that engine parts remain tightly secured during operation. Below is a detailed description of how this part fits into different Cummins engines:

B Series Engines

• B3.3, B4.5 CM2350 B129B, B5.6 CM2670 B152B
• D4.0 CM2620 D103B, F3.8 CM2350 F120B, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F139B

The Hexagon Flange Head Cap Screw 3093927 is used in the B series engines to secure various engine components, including but not limited to, the cylinder head, intake manifold, and exhaust manifold. Its flange head design provides a larger bearing surface, which helps in distributing the load more evenly and preventing damage to the engine parts.

ISB Series Engines

• ISB/ISD6.7 CM2150 SN, ISB4.5 CM2350 B104, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, ISB6.7 CM2250, ISB6.7 CM2350 B101

In the ISB series engines, the 3093927 screw is utilized to fasten critical components such as the cylinder head, valve cover, and other structural parts. The robust design of the screw ensures that these components remain securely fastened under high-stress conditions, contributing to the overall reliability and performance of the engine.

ISBE, ISC, ISF, ISL, and ISX Series Engines

• ISBE CM2150, ISC CM850, ISF3.8 CM2220 AN, ISF3.8 CM2220 F103, ISF3.8 CM2350 F109, ISF4.5 CM2220 F123, ISL9 CM2150 SN, ISX CM870

The Hexagon Flange Head Cap Screw 3093927 is also integral to the ISBE, ISC, ISF, ISL, and ISX series engines. It is used to secure various engine parts, including the cylinder head, valve cover, and other structural components. The screw’s design ensures that these parts are tightly fastened, which is crucial for maintaining the engine’s structural integrity and performance.

K19 and L8.9 CM2670 L134C

• K19, L8.9 CM2670 L134C

In the K19 and L8.9 CM2670 L134C engines, the 3093927 screw is used to fasten components such as the cylinder head and other critical parts. Its flange head design ensures that the load is evenly distributed, preventing damage to the engine parts and ensuring a secure fit.

QSB4.5 CM2250 EC

• QSB4.5 CM2250 EC

For the QSB4.5 CM2250 EC engine, the Hexagon Flange Head Cap Screw 3093927 is used to secure various engine components, including the cylinder head and other structural parts. The screw’s design ensures that these components are tightly fastened, contributing to the engine’s overall reliability and performance.

Role of Part 3093927 Hexagon Flange Head Cap Screw in Engine Systems

The Hexagon Flange Head Cap Screw, identified as part 3093927, is a versatile fastener utilized across various engine systems to ensure secure and reliable connections. Its application spans multiple components, contributing to the overall integrity and performance of the engine.

Turbocharger System

In the turbocharger system, part 3093927 is employed to fasten the turbocharger to its mounting bracket. This secure attachment is vital for maintaining the turbocharger’s alignment and stability, which directly influences its efficiency and durability. Additionally, it is used in the plumbing connections of the turbocharger, ensuring that the air intake and exhaust recirculation pathways are sealed properly to prevent leaks and maintain optimal airflow.

Fuel System

Within the fuel system, this screw plays a significant role in the assembly of the fuel pump and fuel filter. It is used to mount the fuel pump body to the engine block, ensuring a stable and vibration-resistant installation. Furthermore, it secures the fuel filter in its designated location, maintaining the integrity of the fuel supply line and preventing any potential fuel leaks.

Engine Mounting and Covers

Part 3093927 is also integral in the engine’s structural components. It is utilized in the mounting of the engine to the chassis, providing a robust connection that can withstand the vibrations and stresses of operation. Additionally, it secures various engine covers, such as the crankcase breather cover and the front gear cover, ensuring these components remain in place and function correctly.

Electronic Control Module and Wiring

In the electronic control module (ECM) and its associated wiring harness, this screw is used to mount the ECM to the engine bay. This secure attachment ensures that the ECM remains protected from environmental factors while maintaining a stable connection to the wiring harness. It also plays a role in securing the wiring harness to the engine block, preventing any potential damage from movement or vibration.

Cooling System

The screw is also found in the engine coolant system, where it is used to secure the connections between the engine block, radiator, and other cooling components. This ensures that the coolant pathways remain sealed, preventing leaks and maintaining efficient coolant flow to regulate engine temperature.

Brake and Drive Systems

In the brake and drive systems, part 3093927 is used to secure components such as the brake mounting brackets and the drive shaft connections. This ensures that these critical systems remain stable and function correctly under the stresses of operation.

Exhaust and Vent Systems

Finally, in the exhaust and vent systems, this screw is used to secure the exhaust manifold to the engine block and to mount the various vent components. This ensures that the exhaust system remains sealed and that vent pathways are maintained, contributing to the engine’s overall performance and emissions control.

Conclusion

The 3093927 Hexagon Flange Head Cap Screw is a critical component in the commercial truck industry, providing reliable fastening solutions that enhance the performance and durability of various engine systems. Its robust design, high-strength materials, and versatile applications make it an essential part for securing critical components in Cummins engines and other automotive systems.