The Hexagon Flange Head Cap Screw, identified by part number 4066795, is a specialized fastener produced by Cummins. This screw is integral to various commercial truck applications, providing reliable fastening solutions that contribute to the overall performance and durability of the vehicle. Cummins, a renowned manufacturer in the automotive industry, ensures that this component meets stringent quality standards, making it a trusted choice for truck operators and maintenance professionals ⁴.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal flange head that offers a larger bearing surface and improved resistance to loosening. These screws are commonly used in the automotive industry for applications requiring secure and durable fastening. The hexagonal shape of the head allows for efficient torque application using standard tools, while the flange provides additional stability and prevents the screw from sinking into the material being fastened ¹.

Purpose and Role in Truck Operation

This Cummins part serves a specific purpose in commercial trucks by securing critical components and assemblies. Its design ensures that parts remain firmly in place under various operating conditions, contributing to the vehicle’s overall functionality and performance. This screw is often used in applications where vibration and dynamic loads are present, ensuring that connections remain intact and reliable ².

Key Features

The 4066795 Hexagon Flange Head Cap Screw boasts several primary characteristics that enhance its performance. Its hexagonal flange head design provides a larger contact area, reducing the risk of the screw head sinking into the material. The screw is typically made from high-strength materials, ensuring durability and resistance to wear. Additionally, it features precise thread specifications that allow for secure and consistent fastening ³.

Benefits

This part offers several advantages. Its design enhances fastening strength, making it suitable for applications where high loads and vibrations are common. The flange head provides additional resistance to loosening, ensuring that connections remain secure over time. Furthermore, its compatibility with various materials and applications makes it a versatile choice for truck maintenance and repair.

Installation and Usage

Proper installation of the 4066795 Hexagon Flange Head Cap Screw is crucial for ensuring secure fastening. Begin by selecting the appropriate drill bit to create a pilot hole, which helps guide the screw and prevents splitting of the material. Use a torque wrench to apply the recommended torque specifications, ensuring that the screw is tightened to the manufacturer’s guidelines. It is also advisable to use a thread lubricant to facilitate smooth installation and reduce the risk of damage to the threads.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening and corrosion. To address loosening, ensure that the screw is properly torqued during installation and periodically check connections for any signs of movement. If corrosion is detected, clean the affected area thoroughly and consider applying a corrosion-resistant coating to prevent further degradation. Regular inspection and maintenance of these screws can help extend their lifespan and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its commitment to quality and innovation. Founded in 1919, Cummins has a rich history of producing reliable and high-performance components for commercial trucks and other heavy-duty applications. The company’s product offerings include engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of the industry. Cummins’ reputation for excellence is built on its dedication to engineering excellence and customer satisfaction ⁴.

Role of Part 4066795 Hexagon Flange Head Cap Screw in Engine Systems

This part is integral in securing various components within engine systems. Its design allows for efficient fastening and reliable performance under demanding conditions.

Cover Assembly

In the cover assembly, the 4066795 Hexagon Flange Head Cap Screw is used to firmly attach the cover to the engine block or other structural components. This ensures that the cover remains securely in place, protecting internal engine parts from external contaminants and maintaining the integrity of the engine’s sealed environment. The flange head provides additional surface area for distribution of clamping force, reducing the risk of stripping or damage to the cover material.

Valve Mechanism

Within the valve mechanism, this Cummins part plays a significant role in securing valve components, such as valve covers and retainers. By providing a strong and consistent hold, it ensures that valves operate smoothly and efficiently. The screw’s flange head design also aids in preventing rotation during tightening, which is essential for maintaining proper valve alignment and function. This reliability is particularly important in high-performance engines where precision and durability are paramount.

Conclusion

The 4066795 Hexagon Flange Head Cap Screw is a critical component in the automotive industry, offering reliable fastening solutions for commercial trucks and engine systems. Its robust design, precise engineering, and compatibility with various applications make it a versatile and essential part for maintaining the performance and durability of vehicles. Proper installation, regular maintenance, and understanding its role in engine systems ensure that this part continues to deliver reliable performance in demanding environments.