3046625
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw is a fundamental component in commercial trucks, essential for securing various parts and ensuring structural integrity. This overview explores the specifics of the 3046625 Hexagon Head Cap Screw by Cummins, detailing its purpose, features, and benefits in truck operations.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw features a hexagonal-shaped head, facilitating efficient torque application with wrenches or sockets. This design ensures precise and secure fastening, commonly used in applications requiring strong, permanent fastening due to its resistance to loosening under vibration and dynamic loads ¹.

Purpose of the 3046625 Hexagon Head Cap Screw in Truck Operations

The 3046625 Hexagon Head Cap Screw by Cummins is engineered to meet the demanding requirements of commercial truck operations. It secures critical components within truck assemblies, such as engine parts, chassis elements, and mechanical systems. Applications include fastening engine mounts, securing transmission components, and attaching body panels, ensuring these parts remain firmly in place under varying operational conditions ².

Key Features

The 3046625 Hexagon Head Cap Screw is constructed from high-quality materials, typically alloy steel, offering excellent strength and corrosion resistance. It features a coarse thread type for quick and secure fastening and a countersunk head that sits flush with or below the surface, reducing snagging risk and improving the aesthetic appearance of the assembly ³.

Benefits

Utilizing the 3046625 Hexagon Head Cap Screw provides several benefits. Its robust construction and precise threading enhance fastening security, minimizing the risk of loosening over time. The screw’s resistance to corrosion and wear ensures longevity in harsh operating environments. Additionally, its design facilitates easy installation and removal, improving maintenance efficiency and reducing downtime for commercial trucks ⁴.

Installation Guidelines

Proper installation of the 3046625 Hexagon Head Cap Screw is crucial for optimal performance and safety. Clean the fastening area, use a torque wrench to apply the specified torque, and follow manufacturer’s recommended settings to prevent over-tightening or under-tightening. Use the correct tools and inspect the screw for any signs of damage prior to installation.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening, corrosion, and thread damage. Regularly inspect screws for signs of wear or damage. If loosening is detected, re-tighten the screw to the specified torque. In cases of corrosion, consider replacing the screw to prevent further degradation. Maintaining a clean and dry environment around the fastening area can help prolong the life of the screw and ensure continued reliable performance.

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 of innovation and quality, Cummins is committed to providing reliable and efficient solutions for the automotive industry. Their product range includes various components and systems designed to enhance the performance and durability of commercial vehicles, reflecting their dedication to excellence and customer satisfaction.

Compatibility with Cummins Engines

The 3046625 Hexagon Head Cap Screw is compatible with various Cummins engines, securing different parts and assemblies within the engine to ensure structural integrity and operational efficiency.

Medium-Duty Engines

• ISM CM570
• ISX CM570
• QSK19 CM500
• QSK45 CM500
• QSK60 CM500
• QSM11 CM570
• QST30 CM552

Heavy-Duty Engines

• K19
• K38
• K50
• L10 CELECT
• L10 MECHANICAL
• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL
• N14 CELECT
• N14 CELECT PLUS
• N14 MECHANICAL
• NH/NT 855

Role in Various Engine Systems

The 3046625 Hexagon Head Cap Screw is integral to the assembly and functionality of several engine components, securing and fastening various parts to ensure they remain in place under operational stress.

Compressor Systems

In compressor systems, such as the 2-Cylinder Compressor Head and Air Compressor, the 3046625 screw fastens the Compressor Head to the Compressor Crankcase, maintaining the integrity of the compression process. In the Compressor Air Kit and Compressor Conversion Kit, these screws secure the Compressor Cover, preventing leaks and ensuring efficient compression.

Accessory Drives

For Accessory Drives, including the Front Gear Train Accessory and Drive Accessory, the 3046625 screw attaches these components to the engine, vital for the smooth operation of accessories driven by the engine, such as pumps and generators.

Turbocharger Applications

In Turbocharger systems, the 3046625 screw fastens Turbocharger components, ensuring all parts are tightly secured. This is essential for maintaining the turbocharger’s efficiency and durability under high-stress conditions.

EBM Compressor Systems

In EBM Compressor systems, the 3046625 screw secures the Compressor Head and other critical components, ensuring the compressor operates smoothly and efficiently, handling the increased demands of these specialized systems.

Conclusion

The 3046625 Hexagon Head Cap Screw by Cummins is a fundamental component in ensuring the secure assembly and reliable operation of various engine and compressor systems. Its robust construction, precise threading, and compatibility with a wide range of Cummins engines make it an indispensable part in commercial truck operations.