4325587
Hexagon Flange Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$0.69 $1.04

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Hexagon Flange Head Cap Screw, identified by Part #4325587, is a specialized fastener produced by Cummins, a renowned manufacturer in the commercial truck industry. This screw is integral to the assembly and maintenance of commercial trucks, providing a reliable fastening solution that ensures the integrity and performance 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 tightening and loosening using a wrench or socket, while the flange distributes the load over a larger area, reducing the risk of the screw pulling through the material. Within mechanical systems, these screws are used to secure components together, ensuring structural stability and alignment 1.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of commercial trucks. It is utilized in various applications, including securing engine components, chassis assembly, and other critical areas where stability and durability are paramount. Its design ensures that components remain firmly in place under the dynamic conditions experienced by commercial trucks, contributing to the overall reliability and performance of the vehicle 2.

Key Features

The Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for precise and efficient tightening, while the flange provides additional surface area for load distribution. The screw is typically made from high-strength materials, ensuring it can withstand the rigors of commercial truck operation. Additionally, the screw’s threading is designed to provide a secure grip, minimizing the risk of loosening over time.

Benefits

Using the Hexagon Flange Head Cap Screw in truck maintenance and assembly offers several benefits. The screw’s design enhances stability by distributing loads more effectively, reducing the likelihood of component failure. Its resistance to loosening ensures that assemblies remain secure, even under vibration and dynamic loads. Furthermore, the ease of installation, thanks to its hexagonal head, allows for quick and efficient assembly and disassembly, facilitating maintenance procedures.

Installation and Usage

Proper installation of the Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without over-tightening, which could damage the screw or the components being fastened. Best practices include using a torque wrench for accurate tightening and ensuring that all mating surfaces are clean and free from debris to prevent galling and ensure a secure fit 3.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and damage from improper installation. Troubleshooting tips include regularly inspecting screws for signs of wear or corrosion and tightening as necessary. Maintenance practices to prolong the screw’s lifespan include applying an anti-seize compound to prevent galling and corrosion, and replacing screws that show signs of significant wear or damage.

Compatibility and Applications

The Hexagon Flange Head Cap Screw is widely used in commercial trucks for its versatility and reliability. Typical applications include securing engine components, chassis assembly, and other critical areas where a secure and durable fastening solution is required. Its compatibility with various materials and its ability to withstand high loads make it a preferred choice for truck manufacturers and maintenance professionals.

Manufacturer Overview - Cummins

Cummins is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a wide range of products designed for commercial trucks, Cummins has established a reputation for reliability and performance. Their Hexagon Flange Head Cap Screw (Part #4325587) is a testament to their dedication to providing high-quality fastening solutions that meet the demanding requirements of commercial truck operations.

Cummins Hexagon Flange Head Cap Screw 4325587 in ISV Engines

The Cummins Hexagon Flange Head Cap Screw 4325587 is a critical component in the assembly and maintenance of various ISV (Infiniti Service Vehicle) engines, including those produced by Nissan. This part is essential for securing various engine components, ensuring structural integrity and operational efficiency.

Application in ISV Engines

The 4325587 screw is designed to fit seamlessly within the ISV engine architecture, providing a reliable fastening solution. Its flange head design allows for a secure grip, which is crucial in high-stress environments typical of engine assemblies. The hexagonal shape of the screw head facilitates easy and efficient tightening and loosening using standard tools, which is vital during routine maintenance and repairs.

Compatibility and Usage

This screw is engineered to meet the stringent requirements of ISV engines, ensuring compatibility with multiple engine models. Its robust construction and precise dimensions make it suitable for various applications within the engine, such as securing engine covers, brackets, and other critical components. The use of this screw in ISV engines underscores its importance in maintaining the engine’s overall performance and longevity.

Grouping of Engines

The 4325587 screw is utilized across several ISV engine groups, each designed for specific applications and performance needs. These groups include:

  • Commercial and Industrial Engines: These engines are built for durability and efficiency, often used in heavy-duty applications. The 4325587 screw ensures that all components are securely fastened, contributing to the engine’s reliability in demanding conditions.
  • Marine Engines: Designed for use in marine environments, these engines require components that can withstand harsh conditions. The screw’s corrosion-resistant properties make it ideal for securing parts in marine settings.
  • Agricultural Engines: These engines are built to handle the rigors of agricultural work. The 4325587 screw provides the necessary strength and stability to keep engine components in place, ensuring consistent performance in challenging environments.

By integrating the 4325587 screw into their engine designs, ISV ensures that their engines maintain high standards of quality and reliability, meeting the diverse needs of their customers.

Role of Part 4325587 Hexagon Flange Head Cap Screw in Engine Systems

The part 4325587 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

Camshaft Assembly

In the camshaft assembly, this screw is used to fasten the camshaft to the cylinder head. It ensures that the camshaft remains securely in place, allowing for precise timing of the valve operation. This is essential for the efficient opening and closing of the valves, which directly impacts the engine’s performance and longevity.

Cylinder Head Mounting

When mounting the cylinder head to the engine block, the Hexagon Flange Head Cap Screw plays a significant role. It provides the necessary clamping force to create a seal between the head and the block, preventing any coolant or oil leaks. This seal is vital for maintaining the engine’s internal pressures and ensuring optimal combustion efficiency.

Injector Securing

For fuel injectors, this screw is often used to secure the injector to the cylinder head. Proper securing ensures that the injector remains stable during engine operation, which is important for consistent fuel delivery and combustion. This, in turn, contributes to the engine’s overall performance and fuel efficiency.

Long Block Kit Integration

In a long block kit, which includes the engine block, crankshaft, pistons, and other essential components, the Hexagon Flange Head Cap Screw is used in various applications. Whether it’s securing the camshaft, cylinder head, or other critical parts, this screw ensures that all components are held firmly in place. This stability is necessary for the smooth operation of the engine and for withstanding the stresses of high-performance applications.

General Use in Engine Parts

Across various engine parts, the Hexagon Flange Head Cap Screw is a versatile fastener. Its design allows for easy installation and removal, which is beneficial during maintenance and repair procedures. The screw’s flange head provides additional surface area for torque application, reducing the risk of stripping and ensuring a secure fit.

Performance Enhancements

In performance engine builds, where components are often subjected to higher stresses and temperatures, the reliability of fasteners like the Hexagon Flange Head Cap Screw becomes even more important. Ensuring that all parts are securely fastened contributes to the engine’s durability and performance under demanding conditions.

Conclusion

The 4325587 Hexagon Flange Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks and engines. Its design, featuring a hexagonal head and flange, ensures efficient tightening, load distribution, and durability. The screw’s applications range from securing engine components to chassis assembly, highlighting its versatility and importance in maintaining vehicle performance and reliability. Proper installation and maintenance practices are essential to maximize the screw’s lifespan and effectiveness in demanding environments.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  2. Drozdziel, Pawel. The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge, 2023.

  3. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

SPECIFICATIONS

Package Dimensions
1.75 x 0.5 x 0.5 in
Weight
0.021 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.