3681057
Hexagon Flange Head Cap Screw
Cummins®

The Cummins 3681057 Hexagon Flange Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. This screw is integral to ensuring the secure attachment of various components within the truck’s mechanical systems. Its robust design and high-quality materials make it suitable for the demanding conditions encountered in heavy-duty trucking ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area for distribution of clamping force. This design helps in securing components firmly in place and resisting rotational forces. Within mechanical systems, these screws play a vital role in joining parts that require high strength and durability ².

Purpose and Role in Truck Operation

The 3681057 Hexagon Flange Head Cap Screw is employed in various aspects of heavy-duty truck operation and maintenance. It is used to fasten critical components such as engine parts, transmission systems, and chassis assemblies. By providing a secure and stable connection, this screw ensures that components remain firmly in place under the rigorous conditions of heavy-duty trucking. Its application extends to both static and dynamic parts, contributing to the overall reliability and performance of the truck ³.

Key Features

The 3681057 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for easy and precise tightening using standard tools. The flange at the base of the screw provides additional contact area, which helps in distributing the clamping force more evenly across the fastened components. Additionally, the screw is crafted from high-strength materials, ensuring it can withstand the substantial loads and vibrations typical in heavy-duty truck applications ⁴.

Benefits

Using the 3681057 Hexagon Flange Head Cap Screw offers several advantages in truck maintenance and repair. The screw’s design enhances fastening security, reducing the risk of components becoming loose over time. Its resistance to vibration loosening ensures that connections remain intact even under dynamic operating conditions. Furthermore, the ease of installation and removal using common tools simplifies maintenance procedures, saving time and effort for technicians.

Installation and Usage

Proper installation of the 3681057 Hexagon Flange Head Cap Screw is crucial for ensuring a secure and lasting fastening. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct clamping force without over-tightening. Utilizing the right tools, such as a torque wrench, ensures precision during installation. Following best practices, such as cleaning the mating surfaces and inspecting the screw for any defects before use, contributes to a reliable fastening solution.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration, corrosion, or over-tightening. To address these problems, regular inspections should be conducted to check for any signs of wear or damage. If corrosion is detected, cleaning the affected areas and applying a suitable anti-corrosion treatment can help prevent further degradation. Ensuring that the screw is tightened to the correct torque specification during installation can mitigate issues related to over-tightening. Routine maintenance and timely replacement of worn screws contribute to the longevity and reliability of the fastening system in truck applications.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer with a rich history in the automotive and heavy-duty truck industry. The company is known for its commitment to quality and innovation in producing reliable truck components. Cummins’ extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. The Cummins 3681057 Hexagon Flange Head Cap Screw is a testament to the company’s dedication to providing high-quality, durable fastening solutions for the trucking industry.

Cummins Engine Compatibility with Part 3681057

The Hexagon Flange Head Cap Screw, part number 3681057, manufactured by Cummins, is a critical component in the assembly and maintenance of various Cummins engines. This part is designed to secure different parts of the engine, ensuring that they remain tightly fastened and properly aligned.

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

The ISX series engines, including the ISX CM570, ISX CM870, and ISX CM871, utilize the 3681057 screw in several key areas. This screw is often used to secure various engine components, ensuring the integrity of the engine’s structure and the efficiency of its operation.

ISX15 Series Engines

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX15 series engines, such as the ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101, also incorporate the 3681057 screw. This part is essential in maintaining the alignment and stability of the engine’s internal components, contributing to the overall performance and longevity of the engine.

QSX15 Series Engines

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

In the QSX15 series engines, including the QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105, the 3681057 screw is used to secure various parts of the engine. This screw ensures that the engine’s components are held firmly in place, which is crucial for maintaining the engine’s operational efficiency and reliability.

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines, such as the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B, also benefit from the use of the 3681057 screw. This part is integral to the assembly and maintenance of these engines, ensuring that all components are securely fastened and properly aligned.

Part 3681057 Hexagon Flange Head Cap Screw Usage in Engine Systems

In the context of engine systems, the part 3681057 Hexagon Flange Head Cap Screw is utilized to secure various components, ensuring structural integrity and proper function.

Front Engine Support

The front engine support is a vital component that bears the weight of the engine and absorbs vibrations. The Hexagon Flange Head Cap Screw, part 3681057, is employed to fasten the support brackets to the engine block and the chassis. This secure attachment is essential for maintaining the alignment and stability of the engine, which in turn ensures smooth operation and reduces wear on both the engine and the supporting structure.

By using the Hexagon Flange Head Cap Screw in this application, engineers and mechanics can achieve a robust and reliable connection that withstands the dynamic forces encountered during engine operation.

Conclusion

The Cummins 3681057 Hexagon Flange Head Cap Screw is a critical component in heavy-duty truck applications, providing secure and reliable fastening for various engine and chassis components. Its design, featuring a hexagonal head and flanged base, ensures efficient tightening and enhanced clamping force distribution. The screw’s high-strength materials and resistance to vibration loosening make it well-suited for the demanding conditions of heavy-duty trucking. Proper installation and maintenance practices are essential to maximize the screw’s performance and longevity in truck applications.