206410
Twelve Point Cap Screw
Cummins®

The Cummins Twelve Point Cap Screw (Part #206410) is a specialized fastener designed for heavy-duty applications. It provides secure and reliable fastening in demanding environments, particularly within the heavy-duty truck industry. This component is significant due to its robust design and enhanced performance characteristics, which contribute to the overall efficiency and reliability of truck operations ¹.

Basic Concepts of Twelve Point Cap Screws

A twelve point cap screw is a type of fastener that features a hexagonal socket with twelve equally spaced points, as opposed to the six points found on standard cap screws. This design allows for greater torque application and reduced cam-out, making it suitable for high-stress applications. In the automotive industry, twelve point cap screws are commonly used in areas where secure fastening is crucial, such as engine components, chassis assemblies, and other critical systems ².

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in various application areas within the truck, including engine mounts, transmission components, and chassis assemblies. By providing a secure and stable connection, this fastener helps ensure the integrity and performance of these critical systems. Its design allows for efficient torque application, reducing the risk of loosening over time and enhancing the overall reliability of the truck ³.

Key Features

The Twelve Point Cap Screw (Part #206410) boasts several key features that enhance its performance and durability. Its design includes a twelve-point socket, which provides a larger contact area compared to standard six-point screws. This design reduces the likelihood of cam-out during tightening. The screw is typically made from high-strength materials, such as alloy steel, to withstand the rigors of heavy-duty applications. Additionally, it may feature a corrosion-resistant coating to protect against environmental factors, further extending its service life.

Benefits

The benefits of using the Twelve Point Cap Screw (Part #206410) include improved torque application, reduced cam-out, and enhanced fastening security. The twelve-point design allows for greater torque to be applied without the risk of the tool slipping out of the socket, which is particularly advantageous in high-stress applications. This results in a more secure fastening solution that is less likely to loosen over time. Furthermore, the robust material composition and potential corrosion-resistant coatings contribute to the screw’s durability and longevity.

Installation Guidelines

Proper installation of the Twelve Point Cap Screw (Part #206410) is crucial to ensure optimal performance and longevity. The following guidelines should be followed:

1. Ensure the mating surfaces are clean and free of debris.
2. Use the appropriate torque wrench to apply the specified torque. The exact torque specification can be found in the manufacturer’s guidelines.
3. Tighten the screw in a crisscross pattern to ensure even distribution of force.
4. Avoid over-tightening, as this can lead to damage or stripping of the threads.
5. Inspect the installation to ensure the screw is securely fastened and aligned properly.

Troubleshooting and Maintenance

Common issues associated with twelve point cap screws include loosening over time, corrosion, and damage to the socket or threads. To troubleshoot these issues:

1. Check for proper torque application and re-tighten if necessary.
2. Inspect for signs of corrosion and clean or replace the screw if needed.
3. Ensure the tool used for installation is the correct size and in good condition to prevent damage to the socket.

Regular maintenance practices, such as periodic inspection and re-torquing, can help prolong the life of the screw and ensure continued reliable performance.

Safety Considerations

When working with the Twelve Point Cap Screw (Part #206410), it is important to follow proper safety procedures to prevent accidents and ensure user safety. These include:

1. Wearing appropriate personal protective equipment (PPE), such as gloves and safety glasses.
2. Using the correct tools and ensuring they are in good condition.
3. Following the specified torque guidelines to avoid over-tightening or under-tightening.
4. Working in a well-ventilated area if using any chemicals for cleaning or lubrication.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for quality and innovation in the automotive and heavy-duty truck industry. The company offers a wide range of products and services designed to meet the needs of customers in various applications, from on-highway to off-highway and industrial uses. Cummins is known for its commitment to excellence, reliability, and customer satisfaction.

Twelve Point Cap Screw 206410 in Cummins Engines

The Twelve Point Cap Screw 206410 is a critical component in various Cummins engines, ensuring secure fastening and stability of engine parts. This screw is designed to provide a robust connection, essential for maintaining the integrity of the engine’s structure under operational stresses.

K19 Engine

In the K19 engine, the Twelve Point Cap Screw 206410 is utilized in several key areas. Its primary role is to fasten various engine components, ensuring they remain tightly secured during operation. This screw is often used in the engine’s mounting system, securing the engine block to the engine cradle or frame. Additionally, it may be employed in fastening components within the engine’s internal structure, such as securing certain brackets or covers.

The precision and strength of the Twelve Point Cap Screw 206410 are crucial in the K19 engine, where it helps maintain the alignment and stability of critical engine parts. This ensures the engine operates efficiently and reliably, minimizing the risk of component failure due to loosening or misalignment.

Role of Part 206410 Twelve Point Cap Screw in Engine Systems

The Part 206410 Twelve Point Cap Screw is integral to the assembly and secure functioning of several key components within engine systems.

Base Assembly

In the base assembly of an engine, the Twelve Point Cap Screw ensures that all components are tightly secured. This is particularly important for maintaining the structural integrity of the engine, as the base serves as the foundation upon which other parts are mounted. The screw’s design allows for precise torque application, which is essential for preventing any movement or misalignment that could lead to engine failure.

Rocker Arm Housing Mounting

The rocker arm housing is another area where the Twelve Point Cap Screw plays a significant role. This component is responsible for transferring motion from the camshaft to the valves. Secure mounting of the rocker arm housing is vital for consistent valve operation. The Twelve Point Cap Screw provides the necessary tension to keep the housing in place, ensuring that the rocker arms move smoothly and efficiently. This, in turn, contributes to the overall performance and reliability of the engine.

General Component Integration

Across various engine components, the Twelve Point Cap Screw is used to fasten parts that require high torque and resistance to loosening. Its unique design offers enhanced grip and reduced likelihood of stripping, making it suitable for applications where vibrations and high stress are common.

Conclusion

In summary, the Part 206410 Twelve Point Cap Screw is a fundamental element in the secure assembly and reliable operation of engine components, contributing to the durability and performance of the entire system. Its robust design, enhanced performance characteristics, and secure fastening capabilities make it an essential component in heavy-duty truck operations and engine systems.