3093805
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3093805, is a specialized fastener produced by Cummins. This screw is designed for use in commercial trucks, where it serves to secure various components and ensure structural integrity. Cummins, a renowned manufacturer in the diesel engine and truck components industry, offers this screw as part of its extensive range of high-quality fastening solutions.

Basic Concepts

A Hexagon Flange Head Cap Screw is characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The flange feature, a widened section under the head, provides additional surface area for distribution of clamping force, reducing the risk of damage to the fastened material. Classified as a cap screw, this fastener is designed for applications requiring a threaded fastener capable of withstanding significant loads and stresses ¹.

Role in Truck Operation

The 3093805 Hexagon Flange Head Cap Screw plays a significant role in the operation of commercial trucks by securing critical components. It ensures that parts remain firmly in place under various operating conditions, contributing to the overall structural integrity of the vehicle. Additionally, its design facilitates easy assembly and disassembly, which is beneficial during maintenance and repair procedures ².

Key Features

The 3093805 Hexagon Flange Head Cap Screw is crafted from high-quality materials, typically a grade of steel that offers excellent strength and durability. Its threading is precision-engineered to provide a secure fit and reliable fastening. The flange and hexagonal head design offer several advantages, including enhanced torque application, improved load distribution, and resistance to loosening under vibration ³.

Benefits

Utilizing the 3093805 Hexagon Flange Head Cap Screw in truck maintenance and assembly offers several benefits. The screw provides improved fastening security, ensuring that components remain securely attached even under dynamic loads. Its design also enhances ease of use during installation and removal, reducing the time and effort required for maintenance tasks. Furthermore, the durability of the screw contributes to the longevity of the fastening, minimizing the need for frequent replacements.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address these problems, regular inspection and tightening of the screws are recommended. Additionally, applying an appropriate anti-seize compound can help prevent corrosion and facilitate easier removal in the future. Proper maintenance of these screws ensures their longevity and continued reliable performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins is recognized for its expertise, quality, and innovation in the commercial truck industry. The company’s commitment to excellence is evident in its comprehensive range of products, designed to meet the demanding requirements of modern transportation and power generation applications.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3093805

The Cummins Hexagon Flange Head Cap Screw part number 3093805 is a versatile component that fits various Cummins engines. This part is designed to secure different parts within the engine assembly, ensuring stability and integrity during operation. Below is a detailed description of how this screw fits with the listed engines:

15N CM2380 M104B

The 15N CM2380 M104B engine utilizes the 3093805 screw in several critical areas, including the cylinder head and engine block assembly. This screw helps maintain the structural integrity of these components.

4B3.9, 6B5.9, 6C8.3, B3.3, B5.6

Engines such as the 4B3.9, 6B5.9, 6C8.3, B3.3, and B5.6 incorporate the 3093805 screw in various mounting and fastening applications. These engines, which are part of the Cummins B Series, use this screw to secure components like the intake manifold, exhaust manifold, and other critical parts.

CM2670 Series

The CM2670 series engines, including B5.9 CM2670 B152B, B5.9 CM2670 B166C, B6.7 CM2670 B153B, B6.7 CM2670 B164C, and ISBE CM2150, utilize the 3093805 screw in numerous applications. These engines, known for their reliability and performance, use this screw to fasten parts such as the cylinder head, engine block, and various auxiliary components.

GAS PLUS Series

The GAS PLUS CM556 engine employs the 3093805 screw in several fastening applications. This engine, designed for gas applications, uses the screw to secure parts like the cylinder head and engine block.

ISB/ISD Series

The ISB/ISD series engines, including ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB3.9 CM2220 B107, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, and ISBE CM2150, incorporate the 3093805 screw in various mounting and fastening applications. These engines, known for their durability and efficiency, use this screw to secure components such as the cylinder head, engine block, and other critical parts.

ISBE and ISC Series

The ISBE CM800, ISBE4 CM850, ISC CM850, and ISC8.3 CM2250 engines use the 3093805 screw in several fastening applications. These engines, designed for specific applications, use the screw to secure parts like the cylinder head and engine block.

ISF Series

The ISF2.8 CM2220 F129 and ISF3.8 CM2350 F109 engines utilize the 3093805 screw in various mounting and fastening applications. These engines, known for their performance, use this screw to secure components such as the cylinder head, engine block, and other critical parts.

F Series

The F2.8 CM2620 F135B and F3.8 CM2350 F120B engines incorporate the 3093805 screw in several fastening applications. These engines use the screw to secure parts like the cylinder head and engine block.

The 3093805 screw is a critical component in ensuring the proper assembly and operation of these Cummins engines. Its use across various models highlights its versatility and importance in maintaining engine integrity.

Understanding the Role of Part 3093805 Hexagon Flange Head Cap Screw in Engine Systems

Part 3093805, the Hexagon Flange Head Cap Screw, is integral to the assembly and operation of various engine components. Its robust design ensures secure fastening, which is essential for maintaining the integrity and efficiency of the engine system. Below is an exploration of how this screw fits within the context of several key engine components:

Adapter and Front Drive

The Hexagon Flange Head Cap Screw is often used to secure adapters that connect the front drive to the engine. This ensures that the drive operates smoothly and efficiently, transferring power from the engine to the wheels without unnecessary vibrations or misalignments.

Camshaft and Air Cleaner

In the camshaft assembly, these screws help in fastening components that are critical for the timing of valve operations. Similarly, in air cleaner assemblies, they secure parts that ensure clean air intake, which is vital for optimal engine performance.

Connection and Exhaust Outlet

These screws play a role in securing connections within the engine, such as those between the exhaust manifold and the exhaust outlet. This ensures that exhaust gases are efficiently directed away from the engine, reducing back pressure and improving overall engine performance.

Drive and Accessory Components

For accessory drives, such as those for the fan or the power system flywheel, the Hexagon Flange Head Cap Screw ensures that these components are firmly attached. This is important for the consistent operation of accessories that rely on the engine’s power.

Engine Control Module and Fuel System

In the engine control module (ECM) and fuel filter mountings, these screws provide the necessary stability. This is particularly important for the ECM, where secure mounting ensures accurate readings and control signals. For fuel systems, secure fastening prevents leaks and ensures consistent fuel delivery.

Heat Shield and Manifold

Heat shields and manifolds often utilize these screws to withstand high temperatures and vibrations. Proper fastening here is essential for protecting nearby components from heat damage and ensuring the manifold operates efficiently.

Mounting and Corrosion Resistor

These screws are also used in various mounting applications, such as the exhaust manifold or starting motor. Their corrosion-resistant properties make them ideal for environments where exposure to elements could otherwise lead to rust and failure.

Sensor Wiring and Service Kits

In sensor wiring brackets, such as those for the needle-motion sensor, these screws ensure that wiring remains secure and protected. In service kits, they are often included to replace worn-out fasteners, ensuring that the engine continues to operate smoothly after maintenance.

Expansion Tank and Fuel Supply

Finally, in systems like the expansion tank for coolant or the fuel supply plumbing, these screws help in maintaining the integrity of connections, preventing leaks, and ensuring that fluids are delivered consistently and efficiently.

Conclusion

The Hexagon Flange Head Cap Screw (Part 3093805) is a versatile and essential component in the assembly and maintenance of various engine systems, contributing to their reliability and performance. Its robust design, ease of use, and compatibility with a wide range of Cummins engines make it a critical part in ensuring the structural integrity and efficiency of commercial trucks.