4008012
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, identified by part number 4008012, is a critical component in the commercial truck industry. This screw ensures secure fastening and reliable performance across various truck components.

Basic Concepts

The Hexagon Flange Head Cap Screw is characterized by its hexagonal head and flange beneath the head. The hexagonal head allows for efficient torque application, while the flange provides additional surface area for load distribution and prevents the screw from sinking into the material ¹.

Role in Truck Operation

This Cummins part is utilized in various applications within a truck’s operation, including engine components and chassis assemblies. Its design ensures it can withstand significant stress and vibration, maintaining a tight and secure connection over time ².

Key Features

The 4008012 boasts several key features that contribute to its performance and durability. Its hexagonal head design allows for easy and precise torque application, reducing the risk of stripping or over-tightening. The flange beneath the head provides additional surface area, enhancing load distribution and preventing the screw from embedding into the material. Additionally, the screw is made from high-quality materials, ensuring resistance to corrosion and wear.

Benefits

This part offers several benefits that enhance its utility in commercial trucks. Its design provides enhanced fastening security, ensuring that components remain firmly attached under various operating conditions. The flange characteristic reduces the likelihood of the screw loosening over time, even in high-vibration environments. Furthermore, the improved load distribution offered by the flange helps to prevent damage to the material being fastened, prolonging the lifespan of both the screw and the attached components.

Installation Guidelines

Proper installation of the 4008012 is vital to ensure optimal performance and longevity. Begin by selecting the appropriate drill bit size to create a pilot hole, which helps to guide the screw and reduce the risk of splitting the material. Use a torque wrench to apply the recommended torque specification, ensuring that the screw is tightened to the manufacturer’s guidelines without over-tightening. Finally, inspect the installation to confirm that the flange is flush with the surface and that the screw is secure.

Troubleshooting and Maintenance

Common issues associated with the 4008012 include loosening due to vibration and corrosion in harsh environments. To troubleshoot these issues, regularly inspect the screws for signs of wear or corrosion. If loosening is detected, re-tighten the screw to the specified torque. In cases of corrosion, consider replacing the screw with a new one to ensure continued reliability. Routine maintenance, such as applying a corrosion-resistant coating, can help prolong the service life of the screw and ensure reliable operation.

Cummins 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 strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial trucking applications. Cummins’ commitment to innovation and customer satisfaction has made it a trusted name in the industry.

Cummins Hexagon Flange Head Cap Screw 4008012 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw part number 4008012 is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide a secure fastening solution, ensuring that various engine components remain firmly in place during operation.

QSK60 G CM2358 K110 and QSK78 CM500

In the QSK60 G CM2358 K110 and QSK78 CM500 engines, the 4008012 screw is utilized in various applications where a robust and reliable fastening method is required. These engines, known for their power and efficiency, benefit from the precision and durability of this screw in maintaining the structural integrity of their components. The screw’s design allows for easy installation and removal, facilitating efficient maintenance and repair processes.

QST30 CM2350 T101

The QST30 CM2350 T101 engine also incorporates the 4008012 screw in its construction. This engine, designed for specific applications requiring a balance of power and reliability, relies on the screw to secure various parts, ensuring that the engine operates smoothly and efficiently. The screw’s hexagonal flange head provides a larger surface area for torque application, enhancing its effectiveness in high-stress environments.

Common Applications

Across these engine models, the 4008012 screw is commonly used in applications where it needs to withstand high levels of stress and vibration. Its design ensures that it remains tight and secure, even under the demanding conditions of engine operation. This screw is particularly useful in areas where frequent assembly and disassembly are required, such as during routine maintenance or repairs.

Hexagon Flange Head Cap Screw in Engine Systems

The part 4008012 Hexagon Flange Head Cap Screw is integral to the secure assembly and maintenance of various engine components. Its robust design ensures reliable fastening in high-stress environments, making it a preferred choice for several applications within engine systems.

Crankcase and Breather Systems

In the crankcase arrangement, the Hexagon Flange Head Cap Screw is used to fasten the breather components securely. This ensures that the breather system functions efficiently by allowing the release of pressure and contaminants from the crankcase. Proper sealing and fastening are essential to maintain the integrity of the crankcase, preventing oil leaks and ensuring optimal performance of the breather system.

Filter and Lubricating Oil Systems

When it comes to the filter assembly, the Hexagon Flange Head Cap Screw plays a significant role in securing the filter housing. This is vital for maintaining the filtration efficiency of the lubricating oil. By ensuring a tight seal, the screw helps in preventing oil contamination and maintaining the cleanliness of the engine’s lubricating system.

Plumbing and Fuel Drain Systems

In the plumbing arrangement of engine systems, the Hexagon Flange Head Cap Screw is utilized to secure various fittings and connections. This is particularly important in the fuel drain system, where secure fastening prevents fuel leaks and ensures the safe and efficient drainage of fuel. The screw’s flange head provides additional surface area for torque application, enhancing the security of the connection.

Conclusion

Overall, the part 4008012 Hexagon Flange Head Cap Screw is a versatile and reliable component that contributes to the secure and efficient operation of multiple engine systems. Its application across different components underscores its importance in maintaining the overall functionality and performance of engine arrangements.