4900205
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 4900205, is a specialized fastener designed for use in commercial trucks. Cummins, a renowned manufacturer in the commercial truck industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to ensuring the secure fastening of various components within commercial trucks, contributing to the overall reliability and performance of the vehicle.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange—a flat, circular plate—attached to the underside of the head. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute the load more evenly. Within a fastening system, this screw plays a role by securely joining components together, resisting loosening due to vibration, and facilitating easy installation and removal using standard tools ¹.

Purpose and Role in Truck Operation

This Cummins part is specifically designed to play a significant role in the operation and maintenance of commercial trucks. It is commonly used in areas where secure and durable fastening is required, such as in the attachment of engine components, chassis parts, and various structural elements. Its design ensures that it can withstand the high stresses and vibrations typical in heavy-duty truck applications, thereby contributing to the truck’s overall durability and performance ².

Key Features

The 4900205 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head allows for efficient torque application using wrenches or sockets, ensuring secure fastening. The flange provides an increased bearing surface, which helps distribute the load and prevent damage to the fastened material. Additionally, the screw is made from high-quality materials, offering excellent resistance to corrosion and wear, which is vital for long-term performance in demanding environments ³.

Benefits

Using the 4900205 Hexagon Flange Head Cap Screw offers several benefits. The screw’s design enhances fastening security, making it less likely to loosen over time due to vibration. Its resistance to corrosion and wear ensures longevity, reducing the need for frequent replacements. Furthermore, the ease of installation and removal using standard tools simplifies maintenance procedures, saving time and labor costs ⁴.

Installation and Usage Guidelines

Proper installation of the 4900205 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. Begin by cleaning the fastening area to remove any debris or contaminants. Use the appropriate wrench or socket to install the screw, applying the specified torque to achieve the correct tension without over-tightening. It is advisable to follow a star pattern for multi-screw applications to ensure even distribution of tension. Regularly inspect the screws for signs of wear or loosening, especially in high-vibration areas.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address these issues, regularly inspect the screws and re-tighten them as necessary. If corrosion is detected, consider replacing the screw to prevent further degradation. Maintenance tips include keeping the fastening areas clean and dry, applying anti-seize compound in corrosive environments, and using the correct torque specifications during installation to avoid over-tightening.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, several safety considerations should be kept in mind. Ensure proper handling and storage of the screws to prevent damage or contamination. Use the correct tools and follow torque specifications to avoid over-tightening, which can lead to stripped threads or component damage. Additionally, wear appropriate personal protective equipment (PPE) when installing or removing screws to protect against injuries from flying debris or tool slippage.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation for quality and innovation in the commercial truck industry. The company is committed to producing reliable and high-performance components, ensuring that their products meet the rigorous demands of heavy-duty applications. Cummins’ dedication to excellence is evident in their comprehensive product range and their continuous investment in research and development.

Cummins Hexagon Flange Head Cap Screw 4900205 in Engine Applications

This Cummins part is a critical component in various engine assemblies. This screw is designed to provide a secure fastening solution, ensuring the integrity and performance of the engine systems it is used in. The screw’s design, featuring a hexagonal head and flange, allows for efficient torque application and retention, which is essential in high-stress environments.

In the A1400 and A1700 engines, the 4900205 screw is often utilized in applications where a robust connection is necessary. These engines, known for their reliability and efficiency, benefit from the screw’s ability to maintain tight tolerances and resist loosening under operational stresses. The screw’s flange head provides a larger surface area for the wrench, facilitating easier and more effective tightening.

For the A2000 and A2300 engines, the 4900205 screw plays a similar role but is also critical in areas subjected to higher loads and temperatures. The enhanced durability and strength of the screw ensure that it can withstand the demanding conditions of these engines, contributing to their overall performance and longevity.

The consistent use of the 4900205 screw across these engines highlights its versatility and importance in maintaining the structural integrity and operational efficiency of Cummins engines. Its design and material properties make it an ideal choice for securing various engine components, ensuring that the engines operate smoothly and reliably.

Role of Part 4900205 Hexagon Flange Head Cap Screw in Engine Systems

This part is integral to the assembly and functionality of various engine components. Its design and specifications make it particularly suitable for applications where secure fastening and resistance to vibration are required.

Block Assembly

In the context of the engine block, the 4900205 Hexagon Flange Head Cap Screw is often used to fasten components that require a robust connection. The flange head provides additional surface area, which helps distribute the load more evenly across the block. This reduces the risk of stripping or pulling through, ensuring that the components remain securely attached even under high stress conditions.

Cylinder Attachment

When it comes to cylinder attachment, the 4900205 screw plays a significant role in maintaining the integrity of the cylinder-to-block interface. The hexagonal head allows for easy tightening using standard tools, ensuring that the cylinder is held firmly in place. This is particularly important in high-performance engines where cylinders may experience significant thermal expansion and contraction.

Cylinder Block Integration

In the cylinder block, the 4900205 Hexagon Flange Head Cap Screw is used to secure various ancillary components such as sensors, brackets, and mounting plates. The flange head not only provides a larger contact area but also helps in preventing the screw from loosening due to engine vibrations. This is essential for maintaining the precise alignment and operation of these components, which are often critical for engine performance and diagnostics.

Conclusion

Overall, the 4900205 Hexagon Flange Head Cap Screw is a versatile fastener that enhances the reliability and durability of engine assemblies by providing secure and vibration-resistant connections. Its design and material properties make it an ideal choice for securing various engine components, ensuring that the engines operate smoothly and reliably.