206031
Twelve Point Cap Screw
Cummins®

The Twelve Point Cap Screw Part #206031 by Cummins is a specialized fastener designed for use in commercial truck maintenance. It is integral to various heavy-duty truck assemblies, ensuring secure and reliable connections in demanding environments. This part is engineered to meet the rigorous standards required for commercial truck applications, providing both functionality and durability ¹.

Basic Concepts of Twelve Point Cap Screws

A twelve point cap screw is a type of fastener that features a hexagonal socket head with twelve equally spaced points, as opposed to the six points found on standard cap screws. This design allows for greater torque application without the risk of cam-out, which can occur with traditional hex-head screws. The twelve-point design also provides a smoother driving experience and reduces the likelihood of stripping during installation or removal. These screws are commonly used in applications where high torque and secure fastening are required ².

Purpose of the 206031 Twelve Point Cap Screw in Truck Operation

This Cummins part plays a role in the operation and maintenance of commercial trucks by securing critical components and assemblies. It is used in applications where high strength and resistance to loosening are necessary. Specific functionalities supported by this screw include fastening engine components, securing chassis parts, and attaching body panels. Its design ensures that connections remain tight under vibration and dynamic loads, which are common in truck operations ³.

Key Features of the 206031 Twelve Point Cap Screw

The 206031 Twelve Point Cap Screw is designed with several features that make it suitable for heavy-duty applications. It has a fine thread type that provides a strong grip and resists loosening. The head design incorporates a twelve-point socket, which allows for higher torque application without cam-out. The material used in its construction is typically a high-strength alloy, offering excellent resistance to corrosion and wear. These design elements contribute to the screw’s reliability and performance in harsh operating conditions.

Benefits of Using the 206031 Twelve Point Cap Screw

Using the 206031 Twelve Point Cap Screw offers several advantages. Its twelve-point design allows for improved torque application, reducing the risk of stripping during installation. The fine thread type ensures a secure fit, minimizing the chance of loosening over time. The material strength and corrosion resistance of the screw make it durable in demanding environments, contributing to the longevity of truck assemblies. Additionally, the design of the screw facilitates easier and more precise installation, enhancing overall efficiency in maintenance procedures.

Installation and Usage Guidelines

Proper installation of the 206031 Twelve Point Cap Screw is crucial for ensuring a secure fit and optimal performance. Begin by selecting the appropriate torque wrench for the application. Apply the screw to the designated location, ensuring that the mating surfaces are clean and free of debris. Use the torque wrench to tighten the screw to the specified torque value, which can be found in the manufacturer’s guidelines. It is important to follow the recommended torque sequence to avoid distortion of the assembly. After installation, periodically check the screw to ensure it remains tight and has not loosened due to vibration or other factors.

Troubleshooting Common Issues

Common issues with twelve point cap screws include loosening and corrosion. If a screw appears loose, it should be re-tightened to the specified torque value. If corrosion is present, the affected area should be cleaned, and the screw may need to be replaced if significant damage is observed. Regular inspections can help identify these issues early, allowing for timely corrections and maintaining the integrity of the assembly.

Maintenance Tips

To ensure the longevity and reliable performance of the 206031 Twelve Point Cap Screw, regular maintenance is recommended. Inspect the screws periodically for signs of loosening, corrosion, or damage. Clean the mating surfaces and threads as needed to remove any buildup that could affect performance. Replace screws that show significant wear or corrosion to prevent failure. Following these maintenance routines will help maintain the secure and reliable connections necessary for heavy-duty truck operations.

Cummins: A Brief 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 has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial applications. Cummins is committed to providing reliable and efficient solutions that enhance the performance and durability of commercial vehicles.

Twelve Point Cap Screw 206031 in Cummins Engines

The Twelve Point Cap Screw 206031, manufactured by Cummins, plays a crucial role in the assembly and maintenance of several Cummins engine models. This high-strength screw is integral to securing various components within the engines, ensuring structural integrity and operational efficiency.

QSK19 CM500

In the QSK19 CM500 engine, the 206031 cap screw is utilized in several critical applications. It is often employed in fastening components that require robust and reliable connections, such as securing engine mounts, brackets, and other structural parts. The screw’s design allows for precise torque application, which is essential for maintaining the alignment and stability of these components.

VTA903 CM2250 V105

Similarly, in the VTA903 CM2250 V105 engine, the 206031 cap screw is integral to the engine’s assembly. It is used in fastening various parts that need to withstand high stress and vibrations. The screw’s twelve-point design provides better grip and reduces the likelihood of cam-out, making it ideal for applications where precision and durability are paramount.

Grouping of Engines

Both the QSK19 CM500 and VTA903 CM2250 V105 engines benefit from the use of the 206031 cap screw in similar ways. The screw’s application in these engines highlights its versatility and importance in ensuring the engines’ components are securely fastened. The use of this screw in both models underscores its reliability and effectiveness in demanding engine environments.

Role of Part 206031 Twelve Point Cap Screw in Engine Systems

In the intricate assembly of engine systems, the Part 206031 Twelve Point Cap Screw serves as a fundamental fastening component, ensuring the secure attachment and alignment of various critical components.

Coupling

Within the coupling mechanism, the Twelve Point Cap Screw is instrumental in maintaining the precise alignment between the engine and transmission. This secure fastening is essential for the efficient transfer of power, minimizing vibrations, and ensuring smooth operation. The twelve-point design allows for enhanced torque application, reducing the risk of cam-out and providing a more stable connection.

Fuel Pump

In the fuel pump assembly, the Twelve Point Cap Screw plays a significant role in attaching the fuel pump to its mounting bracket. This secure attachment is vital for maintaining the pump’s position and ensuring consistent fuel delivery to the engine. The robust fastening provided by the Twelve Point Cap Screw helps withstand the dynamic forces and vibrations inherent in the fuel pump’s operation.

Fuel Pump Mounting

For the fuel pump mounting system, the Twelve Point Cap Screw ensures that the fuel pump is firmly secured to the engine or frame. This stability is crucial for maintaining the integrity of the fuel delivery system, preventing leaks, and ensuring reliable fuel supply under various operating conditions. The screw’s design allows for easy installation and removal, facilitating maintenance and repairs.

Overall, the Part 206031 Twelve Point Cap Screw is a key component in ensuring the reliable and efficient operation of engine systems by providing secure and stable fastening across various critical applications.

Conclusion

The 206031 Twelve Point Cap Screw by Cummins is a vital component in the maintenance and operation of commercial trucks and engines. Its unique design, featuring a twelve-point socket head, allows for greater torque application and reduced risk of cam-out, making it ideal for heavy-duty applications. The screw’s fine thread type, high-strength alloy construction, and corrosion resistance ensure secure and durable fastening in demanding environments. Proper installation, regular maintenance, and timely troubleshooting are essential for maximizing the performance and longevity of this critical fastener.