3025482
Twelve Point Cap Screw
Cummins®

The 3025482 Twelve-Point Cap Screw by Cummins is a specialized fastener designed for use in commercial trucks. Cummins, a renowned manufacturer in the automotive industry, produces this component to meet the demanding requirements of heavy-duty applications. This screw plays a role in ensuring the structural integrity and operational efficiency of commercial trucks ¹.

Basic Concepts of Twelve-Point Cap Screws

A Twelve-Point Cap Screw is a type of fastener characterized by its hexagonal head with six additional points, providing enhanced grip and resistance to cam-out during installation and removal. Unlike traditional hex cap screws, the twelve-point design allows for more frequent contact with the driving tool, reducing the risk of rounding off the head. In the automotive industry, these screws are commonly used in applications where high torque and secure fastening are required ².

Purpose and Role in Truck Operation

This Cummins part is specifically designed to secure critical components within commercial trucks. It plays a role in maintaining the structural integrity of the vehicle by ensuring that parts remain firmly attached under various operating conditions. This screw contributes to the overall functionality and safety of the truck by providing a reliable fastening solution that can withstand the rigors of heavy-duty use ³.

Key Features

The 3025482 features a robust design that includes a twelve-point head for improved tool engagement. It is made from high-strength materials, typically alloy steel, which enhances its durability and resistance to wear. The screw’s threaded section is precision-machined to ensure a secure fit and optimal performance. Additionally, it may include coatings or treatments to protect against corrosion, further extending its service life in harsh environments.

Benefits

Using the 3025482 offers several advantages. Its design allows for improved torque application, ensuring that components are securely fastened without the risk of stripping or cam-out. The screw’s resistance to loosening under vibration and dynamic loads contributes to the reliability of the fastening. Furthermore, its durability in harsh operating conditions makes it a long-lasting solution for commercial truck applications.

Installation and Usage

Proper installation of the 3025482 is crucial for optimal performance. It should be installed using the correct torque specifications provided by the manufacturer to ensure a secure fit without over-tightening, which could damage the screw or the fastened components. Best practices include using the appropriate driving tool to engage all twelve points of the head, minimizing the risk of damage during installation.

Troubleshooting and Maintenance

Common issues with Twelve-Point Cap Screws may include corrosion, wear, or loosening over time. Regular inspection and maintenance can help identify these issues early. If corrosion is detected, cleaning and reapplying a protective coating may be necessary. Worn screws should be replaced to maintain the integrity of the fastening. Ensuring that screws are tightened to the correct torque specifications during routine maintenance can prevent loosening and extend the life of the fastener.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. The company has a history of innovation and commitment to quality, producing a wide range of components for commercial vehicles. Cummins’ dedication to research and development ensures that their products, including the 3025482, meet the highest standards of performance and reliability.

Twelve-Point Cap Screw 3025482 in Cummins Engines

The 3025482, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening capabilities, ensuring secure connections in high-stress environments. Here is a detailed look at how this part integrates with specific Cummins engines:

K19 Series

The K19 engine series benefits from the 3025482 screw in several applications, particularly in securing engine components and ensuring structural integrity. This screw is used in various mounting and fastening tasks, contributing to the engine’s overall reliability and performance.

KTA19GC Series

In the KTA19GC series, the 3025482 screw is employed in both standard and CM558 configurations. Its use in these engines is pivotal for maintaining the alignment and stability of critical components, ensuring that the engine operates smoothly under varying loads.

QSK19 Series

The QSK19 series engines, including the CM2350 variants (K105, K114, K144G), and the CM500 and CM850 MCRS models, all utilize the 3025482 screw. This screw is integral in securing various engine parts, including those in the exhaust and cooling systems, ensuring that these components remain firmly in place during operation.

QSK19G Series

In the QSK19G series, the 3025482 screw is also a key component. Its application in this series is similar to that in the QSK19 series, ensuring that all fastened parts maintain their positions, contributing to the engine’s durability and efficiency.

The consistent use of the 3025482 screw across these engine models underscores its importance in Cummins’ design philosophy, emphasizing reliability and performance in every application.

Role of Part 3025482 Twelve-Point Cap Screw in Engine Systems

The part 3025482 is instrumental in securing and maintaining the integrity of various engine components. Its application spans across multiple assemblies and repair kits, ensuring that each part functions cohesively within the engine system.

Base Parts and Blocks

In the foundational elements of an engine, such as the base parts and various blocks, the Twelve-Point Cap Screw plays a significant role. It is used to fasten the Cyl K6 Short Block and the Cyl KTTA-19C Short Block, ensuring that these critical components remain securely in place during operation. Similarly, it is employed in the Cylinder K-6 Block, Cylinder Ser. K-6 Block, and Cylinder Short K-6 Block to maintain structural integrity and alignment.

Cylinder Blocks and Service Blocks

The Twelve-Point Cap Screw is also vital in the assembly of Cylinder (Service) Blocks and Cylinder Blocks. It secures the Cylinder Kit Block and the Cylinder Mounting Block, facilitating efficient heat dissipation and structural stability. Additionally, it is used in the Cylinder Service Block to ensure that service components are firmly attached, allowing for easier maintenance and repair procedures.

Main Bearing Cap Repair Kit

In the Main Bearing Cap Repair Kit, the Twelve-Point Cap Screw is essential for reassembling the bearing caps after maintenance or repair. This ensures that the main bearings are properly aligned and secured, which is fundamental for the smooth operation of the crankshaft.

Service Coupling Assemblies

The screw is also utilized in the Service Coupling 2008 Assembly, Service Coupling 2009 Assembly, and Service Coupling2009 Assembly. These couplings often require precise fastening to ensure that they can withstand the dynamic forces encountered during engine operation. The Twelve-Point Cap Screw provides the necessary security and stability.

Short Block and Short Block Kit

Finally, in the Short Block and Short Block Kit, the Twelve-Point Cap Screw is used to fasten various components together, ensuring that the short block remains a cohesive unit. This is particularly important during the initial assembly and any subsequent repairs or maintenance procedures.

Overall, the part 3025482 is a versatile fastener that enhances the reliability and performance of numerous engine components.

Conclusion

The 3025482 Twelve-Point Cap Screw by Cummins is a critical component in the automotive industry, particularly for commercial trucks and Cummins engines. Its robust design, high-strength materials, and precise machining ensure secure fastening and long-lasting performance. Proper installation and maintenance are essential to maximize its benefits and ensure the structural integrity and operational efficiency of the vehicle.