210029
Twelve Point Cap Screw
Cummins®

The Twelve Point Cap Screw, identified by part number 210029, is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This component is integral to the assembly and maintenance of commercial trucks, ensuring secure and reliable connections in various applications.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of fastener characterized by its hexagonal socket head, which provides twelve points of contact. This design differentiates it from traditional hex cap screws, which have six points, and offers distinct advantages in terms of torque application and resistance to cam-out ¹. In the automotive industry, twelve point cap screws are commonly used in applications requiring high torque and secure fastening, such as engine components, transmission systems, and chassis assemblies.

Purpose and Role in Truck Operation

The 210029 Twelve Point Cap Screw plays a specific role in the operation of commercial trucks by securing critical components and assemblies. Its design allows for efficient torque transfer and reduces the likelihood of the fastener rounding off during installation or removal. This contributes to the overall functionality and safety of the vehicle by ensuring that components remain firmly in place under various operating conditions ².

Key Features

The 210029 Twelve Point Cap Screw features a robust design with a hexagonal socket head that provides twelve points of contact. This screw is typically made from high-strength materials such as alloy steel, which enhances its durability and resistance to wear. The unique twelve-point design allows for greater torque application without the risk of cam-out, making it suitable for heavy-duty applications. Additionally, the screw may include features such as a rolled thread for improved strength and a black oxide finish for corrosion resistance ³.

Benefits

The advantages of the 210029 Twelve Point Cap Screw include improved torque application, reduced risk of cam-out, and enhanced durability. The twelve-point design allows for higher torque without damaging the fastener, which is particularly beneficial in heavy-duty truck applications. The material composition ensures longevity and resistance to environmental factors, contributing to the overall reliability of the fastening solution.

Installation and Usage Guidelines

Proper installation of the 210029 Twelve Point Cap Screw involves several steps to ensure a secure and lasting connection. Begin by cleaning the mating surfaces to remove any debris or contaminants. Use a torque wrench to apply the specified torque, ensuring that the fastener is tightened to the manufacturer’s recommendations. It is important to avoid over-tightening, which can lead to damage, and to periodically check the fastener for any signs of loosening during routine maintenance.

Troubleshooting and Maintenance

Common issues with Twelve Point Cap Screws may include loosening over time, corrosion, or damage from over-tightening. To diagnose problems, inspect the fastener and mating surfaces for signs of wear or corrosion. Regular maintenance practices, such as periodic tightening and protection against environmental factors, can help prolong the lifespan of the fastener. If corrosion is detected, cleaning and applying a protective coating may be necessary.

Cummins: A Brief 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 reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to advancing technology and meeting the needs of its customers is evident in its diverse product range, which includes engines, powertrain components, and aftermarket parts. Cummins’ dedication to excellence ensures that its products, like the 210029 Twelve Point Cap Screw, deliver performance and durability in demanding applications.

Compatibility with Cummins Engines

The Twelve Point Cap Screw 210029, manufactured by Cummins, is a critical component that ensures secure fastening in various engine applications. This screw is designed to provide robust and reliable performance, making it suitable for use in a range of Cummins engines.

K19 Series

The K19 engine series benefits from the use of the Twelve Point Cap Screw 210029 in several critical applications. This screw is used to secure various engine components, ensuring that they remain tightly fastened under operational stresses.

KTA19 Series

In the KTA19 series, the Twelve Point Cap Screw 210029 is employed in both the KTA19GC and KTA19GC CM558 engines. Its use in these engines helps maintain the integrity of the engine’s structure, ensuring that all parts remain securely attached.

QSK19 Series

The QSK19 series engines, including the QSK19 CM2350 K114, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G, all utilize the Twelve Point Cap Screw 210029. This screw is integral to the assembly and maintenance of these engines, providing the necessary strength and durability to withstand the rigors of heavy-duty operations.

V903 Series

The V903 engine also incorporates the Twelve Point Cap Screw 210029 in its design. This screw is used in various applications within the engine to ensure that all components are securely fastened, contributing to the overall reliability and performance of the engine.

Each of these engines relies on the Twelve Point Cap Screw 210029 for its critical fastening needs, ensuring that the engine operates smoothly and efficiently.

Role of Part 210029 Twelve Point Cap Screw in Engine Systems

The Part 210029 Twelve Point Cap Screw is integral to the secure assembly and operation of various engine components. Its application ensures the stability and efficiency of the engine system by fastening critical parts together, allowing them to function as a cohesive unit.

In the arrangement of engine components, the Twelve Point Cap Screw plays a significant role in maintaining the precise positioning of parts. This is particularly important in high-performance engines where even minor misalignments can lead to inefficiencies or failures.

The vibration damper relies on the secure fastening provided by the Twelve Point Cap Screw to effectively absorb and reduce vibrations generated by the engine. This component is essential for maintaining smooth operation and preventing damage to other engine parts.

Similarly, the damper component, which is often part of the engine’s balance system, depends on the Twelve Point Cap Screw to ensure it is firmly attached. This attachment is vital for the damper to perform its function of stabilizing the engine during operation.

In the context of the front power take-off (PTO) system, the Twelve Point Cap Screw is used to secure the front PTO adapter. This ensures that the PTO system can transmit power efficiently without the risk of disconnection or misalignment, which could lead to performance issues or safety hazards.

The Kit 3-Groove Crank Pulley also benefits from the use of the Twelve Point Cap Screw. This screw ensures that the pulley is correctly aligned and tightly fastened to the crankshaft, allowing for optimal power transmission and engine balance.

Lastly, in the power take-off adapter and its associated components, the Twelve Point Cap Screw is essential for maintaining the integrity of the connection. This is particularly important in agricultural and industrial applications where the PTO is used to drive various implements and accessories.

Overall, the Part 210029 Twelve Point Cap Screw is a fundamental component in the assembly and operation of these engine systems, ensuring that each part functions correctly and contributes to the overall performance and reliability of the engine.

Conclusion

The 210029 Twelve Point Cap Screw is a critical component in the assembly and maintenance of commercial trucks and various engine systems. Its unique design, robust construction, and compatibility with Cummins engines make it an essential fastener for ensuring secure and reliable connections in demanding applications. Proper installation, regular maintenance, and understanding its role in engine systems are key to maximizing the performance and longevity of this Cummins part.