3070680
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7.99 $9.51

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3070680 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck maintenance and operation. This screw plays a significant role in ensuring the structural integrity and reliable performance of various truck components. Understanding its purpose and functionality is vital for maintaining the efficiency and safety of heavy-duty vehicles.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in mechanical assemblies to secure components together. They provide a strong and stable connection, which is crucial in applications where vibrations and dynamic loads are present 1.

Purpose of the Cummins 3070680 Hexagon Head Cap Screw

This Cummins part is specifically designed for use in heavy-duty truck applications. It is utilized in various areas within the truck’s structure and engine components to secure critical parts. This screw ensures that components remain firmly in place, contributing to the overall stability and performance of the vehicle.

Key Features

The Cummins 3070680 Hexagon Head Cap Screw boasts several key characteristics that enhance its functionality. It is made from high-quality materials, ensuring durability and resistance to wear and tear. The screw features a specific thread type that provides a strong grip, preventing loosening under vibration. Additionally, its unique design elements facilitate easy installation and removal, making maintenance procedures more efficient 2.

Benefits

Using the Cummins 3070680 Hexagon Head Cap Screw offers several advantages. Its robust material composition ensures long-lasting performance, even in demanding environments. The screw’s design provides excellent resistance to vibration, maintaining a secure connection over time. Furthermore, its ease of installation and removal simplifies maintenance tasks, reducing downtime and enhancing overall efficiency.

Installation and Usage

Proper installation of the Cummins 3070680 Hexagon Head Cap Screw is crucial for ensuring optimal performance. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force. Using the appropriate tools, such as a wrench or socket, ensures accurate and safe installation. Careful attention to these guidelines helps prevent over-tightening or under-tightening, which could compromise the screw’s effectiveness.

Troubleshooting and Maintenance

Common issues associated with Hexagon Head Cap Screws include loosening due to vibrations and corrosion over time. Regular inspections can help identify these problems early. If loosening is detected, re-tightening the screw to the specified torque is recommended. To prevent corrosion, applying a suitable anti-corrosion coating can extend the screw’s lifespan and maintain reliable performance.

Safety Considerations

When working with the Cummins 3070680 Hexagon Head Cap Screw, it is important to observe safety practices. Wearing personal protective equipment (PPE), such as gloves and safety glasses, protects against potential injuries. Additionally, following safe handling procedures, including proper tool usage and secure work practices, ensures a safe working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history spanning over a century, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industry. The company offers a wide range of products designed to meet the demanding requirements of various applications, contributing to the efficiency and reliability of heavy-duty vehicles 3.

Hexagon Head Cap Screw 3070680 in Engine Applications

The Hexagon Head Cap Screw part number 3070680, manufactured by Cummins, is a critical component in several engine models. This screw is utilized in a variety of applications across different engine types, ensuring secure fastening and reliable performance.

GTA38 G CMEICS G116C

In the GTA38 G CMEICS G116C engine, the 3070680 screw is often employed in areas requiring robust fastening. Its design allows for efficient torque transfer, which is crucial for maintaining the integrity of engine components under operational stresses.

V903

Similarly, in the V903 engine, the 3070680 screw plays a vital role in securing various parts. Its hex head design facilitates easy and precise installation, making it an ideal choice for applications where alignment and stability are paramount.

Grouped Applications

For both the GTA38 G CMEICS G116C and V903 engines, the 3070680 screw is frequently used in the following areas:

  • Cylinder Head Bolting: Ensuring the cylinder head is securely fastened to the engine block.
  • Accessory Mounting: Attaching various engine accessories and components.
  • Structural Fastening: Providing a reliable connection in structural components that require high tensile strength.

The consistent use of the 3070680 screw across these engines highlights its versatility and importance in maintaining engine functionality and durability.

Role of Part 3070680 Hexagon Head Cap Screw in Engine Systems

The part 3070680 Hexagon Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

In the adapter connection system, this screw plays a significant role in fastening the adapter to the engine block or other components. Its hexagonal head allows for efficient tightening and loosening, which is essential during maintenance or repairs.

For the connection points between different engine parts, the 3070680 screw ensures a secure fit. This is particularly important in high-stress areas where vibrations and thermal expansion could loosen standard fasteners.

In the water outlet assembly, the screw helps maintain a leak-proof seal. This is vital for the coolant system’s integrity, preventing leaks that could lead to engine overheating.

Within the heat exchanger, the 3070680 screw is used to secure fins and tubes, ensuring optimal heat transfer efficiency. Proper fastening is essential to maintain the structural integrity of the exchanger under varying thermal conditions.

The turbocharger system also benefits from the use of this screw. It is employed to secure turbocharger components, such as the turbine housing and compressor cover. This ensures that the turbocharger operates efficiently under high-pressure conditions.

Conclusion

The Cummins 3070680 Hexagon Head Cap Screw is a vital component in heavy-duty truck maintenance and engine systems. Its robust design, ease of installation, and resistance to vibration make it an essential fastener for ensuring the structural integrity and reliable performance of various truck components. Proper installation, regular maintenance, and adherence to safety practices are crucial for maximizing the effectiveness of this screw in demanding applications.


  1. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  2. Kluczyk, B. (2008). How to Rebuild Any Automotive Engine. CarTech.

  3. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

SPECIFICATIONS

Notes
3/8 - 16 x 3 3/4 inch
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 1.0 in
Weight
1 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.