3093806
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #3093806, is a component manufactured by Cummins, a leader in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener 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 load and prevent the screw from sinking into the material. Within mechanical systems, these screws serve to securely join components, ensuring structural integrity and operational efficiency ¹.

Purpose and Role in Truck Operation

The 3093806 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes, but is not limited to, engine mounts, chassis assemblies, and body panels. By providing a robust connection, it contributes to the overall stability and durability of the truck ².

Key Features

The 3093806 Hexagon Flange Head Cap Screw is distinguished by several key features. Its hexagonal head design facilitates easy and precise tightening with common tools. The flange at the base of the screw head enhances load distribution and prevents the screw from embedding into the material, which is particularly beneficial in applications involving softer or less dense materials. Additionally, the screw is crafted from high-quality materials, ensuring it possesses the necessary strength and corrosion resistance for prolonged use in demanding environments ³.

Benefits

The 3093806 Hexagon Flange Head Cap Screw offers several benefits. Its design enhances fastening security, reducing the likelihood of component loosening over time. The flange feature provides resistance to vibration loosening, a common issue in the dynamic environment of a commercial truck. Furthermore, the screw’s design allows for ease of installation and removal, facilitating maintenance and repair processes ⁴.

Installation and Usage Guidelines

To ensure optimal performance and longevity, the 3093806 Hexagon Flange Head Cap Screw should be installed according to specific guidelines. Begin by selecting the appropriate size and grade of screw for the application. Use a torque wrench to apply the recommended torque setting, ensuring the screw is tightened to the manufacturer’s specifications without over-tightening. Employ the correct tools to avoid damaging the screw or the surrounding components .

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. Regular inspection and maintenance can help identify and address these issues promptly. If a screw shows signs of loosening, it should be re-tightened to the specified torque setting. In cases of corrosion, the affected screw should be replaced to maintain the integrity of the fastening. Implementing a routine maintenance schedule can prolong the screw’s lifespan and ensure reliable operation .

Safety Considerations

When working with Hexagon Flange Head Cap Screws, several safety considerations should be observed. Use the appropriate tools to apply the correct torque settings, avoiding over-tightening which can lead to damage. Personal protective equipment, such as gloves and safety glasses, should be worn to protect against injury. Additionally, ensure the work area is clean and free from obstacles to prevent accidents during installation or removal .

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to quality, innovation, and customer satisfaction. The company’s extensive product range includes engines and components for on-highway, off-highway, and stationary applications, demonstrating its versatility and expertise in the automotive industry.

Cummins Engine Compatibility with Part 3093806

The Hexagon Flange Head Cap Screw, part number 3093806, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in securing various components within the engine assembly, ensuring stability and reliability during operation. Below is a detailed breakdown of the engines compatible with this part:

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISB series engines, known for their robust performance and efficiency, utilize the Hexagon Flange Head Cap Screw in several critical applications. This screw is often used in securing engine covers, valve covers, and other structural components, ensuring that these parts remain tightly fastened under the high stresses encountered during engine operation.

ISBE Series Engines

• ISBE CM2150
• ISBE4 CM850

The ISBE series engines, designed for heavy-duty applications, also incorporate the Hexagon Flange Head Cap Screw in their assembly. This part is essential for maintaining the integrity of the engine’s internal and external structures, providing a reliable fastening solution in demanding environments.

ISL and ISX Series Engines

• ISL G CM2180
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISL and ISX series engines, which are often used in on-highway and vocational applications, also benefit from the use of the Hexagon Flange Head Cap Screw. This part is crucial for the assembly and maintenance of these engines, ensuring that all components are securely fastened and properly aligned.

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850(CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850(CM2850)

The QSB series engines, which are designed for a variety of applications including agriculture, construction, and power generation, also utilize the Hexagon Flange Head Cap Screw. This part is vital for securing various engine components, ensuring the engine operates smoothly and efficiently.

Other Cummins Engines

• 15N CM2380 M104B
• 4B3.9
• 6C8.3
• B5.9 GAS PLUS CM556
• B6.7 CM2670 B153B
• L GAS PLUS CM556
• ISZ13 CM2150 Z105

Other Cummins engines, including those with specialized configurations, also incorporate the Hexagon Flange Head Cap Screw. This part is essential for maintaining the structural integrity of these engines, ensuring that all components are securely fastened and properly aligned.

By using the Hexagon Flange Head Cap Screw in these engines, Cummins ensures that each component is held securely, contributing to the overall reliability and performance of the engine.

Role of Part 3093806 Hexagon Flange Head Cap Screw in Engine Systems

The part 3093806 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function. Here’s how it interfaces with specific components:

Aftercooler

This screw is used to fasten the aftercooler to the engine frame, ensuring a secure and vibration-resistant connection that maintains the efficiency of the cooling process.

Air Intake Manifold

It plays a role in attaching the air intake manifold to the cylinder head, providing a tight seal that prevents air leaks and ensures optimal airflow into the engine.

Alternator Drive and Mounting

The screw is employed in securing the alternator drive components and mounting brackets, ensuring the alternator operates smoothly without undue vibration.

Camshaft

In camshaft assemblies, this screw helps in fastening the camshaft to the cylinder head or engine block, critical for maintaining precise valve timing.

Connecting Rod and Piston

It is utilized in securing components of the connecting rod to the piston, ensuring the integrity of the piston’s movement within the cylinder.

Cylinder Block Kit

Within cylinder block kits, this screw is used to fasten various brackets and components, contributing to the structural integrity of the engine block.

Cylinder Head

The screw is essential in attaching the cylinder head to the engine block, ensuring a proper seal and alignment for combustion efficiency.

Electronic Control Module Wiring Harness

It secures the wiring harness to the engine frame or other components, protecting the wires from damage and ensuring reliable electrical connections.

Engine Control Module

This screw is used to mount the Engine Control Module (ECM) to the engine frame, ensuring it remains in place and functions correctly.

Exhaust Recirculation and Transfer Kit

It fastens components of the exhaust recirculation system and transfer kit, ensuring they are securely attached and function as intended to reduce emissions.

Flywheel Housing

The screw is used in attaching the flywheel housing to the engine, ensuring a secure fit that allows for smooth operation of the flywheel.

Fuel Filter

It secures the fuel filter to the engine frame or fuel line, ensuring it remains in place and functions correctly to filter impurities from the fuel.

Full Flow Oil Filter

This screw is utilized in mounting the full flow oil filter, ensuring it is securely attached and can effectively filter engine oil.

Injector and Plumbing

It fastens injector components and plumbing to the engine, ensuring a secure and leak-free connection that allows for precise fuel delivery.

Lubricating Oil Filter

The screw is used to mount the lubricating oil filter, ensuring it is securely attached and can effectively filter contaminants from the engine oil.

Muffler

It secures the muffler to the exhaust system, ensuring a tight fit that prevents exhaust leaks and reduces noise.

Oil Pan

The screw is employed in attaching the oil pan to the engine block, ensuring a secure seal that prevents oil leaks.

Performance Parts

In performance engine builds, this screw is used to secure various performance parts, ensuring they are firmly attached and function as intended.

Piston Cooling Nozzle

It fastens the piston cooling nozzle to the engine, ensuring it is securely attached and can effectively cool the piston during operation.

Turbocharger Arrangement and Plumbing

The screw is utilized in securing turbocharger components and plumbing, ensuring they are firmly attached and function correctly to boost engine performance.

Upfit Kit

In upfit kits, this screw is used to attach additional components to the engine, ensuring they are securely mounted and function as intended.

Conclusion

The 3093806 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of Cummins engines and commercial trucks. Its design, featuring a hexagonal head and flanged base, ensures efficient torque application and load distribution, contributing to the structural integrity and operational efficiency of various engine components. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the screw’s performance and longevity.

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