3093934
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3093934 and manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to ensuring the structural integrity and reliable operation of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a bearing surface that distributes load and prevents the screw from sinking into the material. In the context of truck mechanics, this screw is used to secure components that require both high strength and resistance to vibration.

Purpose and Role in Truck Operation

The 3093934 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks by securing critical components under high stress and vibration conditions. It ensures that parts remain firmly attached, which is vital for the safe and efficient operation of the vehicle. This screw is often used in applications where components are subject to dynamic loads, making its role in maintaining structural integrity paramount.

Key Features

The 3093934 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and secure tightening with standard tools. The flange beneath the head provides an additional bearing surface, which helps in distributing the load and preventing the screw from embedding into the material. Additionally, the screw is made from high-strength materials, ensuring durability and resistance to corrosion, which is crucial for long-term performance in harsh environments.

Benefits

Using the 3093934 Hexagon Flange Head Cap Screw offers several advantages. Its design enhances durability, making it suitable for heavy-duty applications. The hexagonal head allows for efficient torque application, ensuring secure fastening. The flange provides added stability and load distribution, reducing the risk of the screw sinking into the material. Furthermore, the high-strength material composition ensures resistance to corrosion and prolonged service life.

Installation Process

To install the 3093934 Hexagon Flange Head Cap Screw, begin by ensuring the mating surfaces are clean and free of debris. Align the screw with the designated hole and start threading it by hand to avoid cross-threading. Once the screw is started, use a torque wrench to tighten it to the manufacturer’s specified torque settings. This ensures optimal performance and prevents over-tightening, which could damage the screw or the surrounding material.

Troubleshooting and Maintenance

Common issues with the 3093934 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion. Regular inspections should be conducted to check for signs of wear or damage. If corrosion is detected, the affected area should be cleaned, and a corrosion-resistant coating may be applied. Ensuring that the screw is properly torqued during installation can prevent many issues. Additionally, using lock washers or thread locker can help maintain the screw’s position under dynamic conditions.

Common Applications

The 3093934 Hexagon Flange Head Cap Screw is commonly used in various commercial truck assemblies and components. Typical applications include securing engine components, transmission parts, and chassis elements. Its robust design makes it suitable for use in areas where components are exposed to significant stress and vibration.

Safety Considerations

When working with the 3093934 Hexagon Flange Head Cap Screw, it is important to follow safety guidelines to prevent accidents. Always wear appropriate personal protective equipment, such as gloves and safety glasses. Ensure that the work area is clean and free of obstacles. Use the correct tools and torque settings to avoid over-tightening or damaging the screw. Additionally, be mindful of the load distribution provided by the flange to prevent uneven stress on the material.

Cummins Overview

Cummins is a leading manufacturer in the commercial truck industry, known for its high-quality engines, powertrains, and components. With a rich history of innovation and reliability, Cummins has established a strong reputation for producing durable and efficient products. Their extensive product range includes engines, filtration systems, and aftermarket parts, all designed to meet the rigorous demands of commercial trucking.

Cummins Engine Part 3093934: Hexagon Flange Head Cap Screw

The Cummins part number 3093934, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engine models. This part is designed to provide secure fastening in applications where high strength and durability are essential. Below is a detailed look at how this part integrates with specific Cummins engines.

B6.7S and QSB3.3 Series

The Hexagon Flange Head Cap Screw (3093934) is utilized in the B6.7S and QSB3.3 series engines. These engines are known for their robust performance and reliability in various applications, from industrial to agricultural use. The screw is typically used in securing components such as engine covers, brackets, and other structural parts that require a strong and reliable fastening solution. Its flange head design ensures a large bearing surface, which is crucial for distributing loads evenly and preventing damage to the fastened parts.

QSB3.3 CM2150 and QSB3.3 CM2250 EC

In the QSB3.3 CM2150 and QSB3.3 CM2250 EC engines, the 3093934 screw plays a vital role in maintaining the integrity of the engine’s structure. These engines are engineered for high-performance applications, and the screw’s ability to withstand high stress and torque makes it an ideal choice for securing various engine components. The EC variant, in particular, benefits from the screw’s precision and reliability, ensuring that all parts remain tightly fastened under demanding conditions.

QST30 Series

The QST30 series engines, including the QST30 CM2350 T101 and QST30 CM552, also incorporate the 3093934 Hexagon Flange Head Cap Screw. These engines are designed for heavy-duty applications and require components that can endure significant mechanical stress. The screw’s design allows for easy installation and removal, which is essential during maintenance and repair operations. Its flange head provides a larger surface area for tools, making it easier to handle even in tight spaces.

Each of these engines relies on the 3093934 screw to ensure that critical components are securely fastened, contributing to the overall reliability and performance of the engine. The screw’s high strength and durability make it a preferred choice for securing parts that are subjected to constant vibration and stress.

Role of Part 3093934 Hexagon Flange Head Cap Screw in Engine Systems

The part 3093934 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring their stability and proper function.

In the aftercooler system, this screw is used to fasten the aftercooler to the engine block or other mounting surfaces, facilitating efficient heat exchange and maintaining the integrity of the cooling process.

Within the air intake manifold, the screw plays a role in securing the manifold to the engine, ensuring a tight seal that prevents air leaks and maintains optimal air-fuel mixture for combustion.

In turbocharger arrangements, the screw is employed to attach the turbocharger to the engine, ensuring that the turbocharger remains securely in place under high-stress conditions, thus contributing to the overall efficiency and performance of the engine.

For the air crossover connection, the screw is utilized to fasten the crossover pipe, which connects the turbocharger to the intake manifold, ensuring a secure and leak-free connection that allows for smooth airflow.

At the fuel filter location, the screw is used to mount the fuel filter housing to the engine or frame, ensuring that the filter remains in place and functions correctly to remove contaminants from the fuel.

In the manifold system, whether it be the exhaust or intake manifold, the screw is crucial for securing the manifold to the engine block, ensuring a robust connection that can withstand the high temperatures and pressures involved.

For the air intake system, the screw is used to secure various components such as the air box, intake pipes, and sensors, ensuring that the air intake system remains intact and functions efficiently.

In the oil pan assembly, the screw is utilized to secure the pan to the engine block, ensuring that the oil pan remains in place and provides a secure reservoir for the engine oil.

Overall, the part 3093934 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in the assembly and functionality of various engine components, contributing to the overall performance and reliability of the engine system.

Conclusion

The 3093934 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and a flange, ensures efficient torque application and load distribution, making it suitable for high-stress and vibration-prone applications. The screw’s high-strength material composition ensures durability and resistance to corrosion, contributing to its long-term performance in harsh environments. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the benefits of this part and ensure the reliable operation of truck and engine systems.