What is the difference between internal and external snap ring pliers?

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What is the difference between internal and external snap ring pliers?

Snap ring pliers are a specialized tool used for installing, removing, and handling snap rings. Snap rings are circular metal rings with open ends that can be snapped onto a groove to secure a component or assembly in place. They are commonly used in various industries, including automotive, manufacturing, and engineering. However, snap rings come in two different types – internal and external – and each requires a specific type of snap ring pliers. In this article, we will explore the differences between internal and external snap ring pliers.

What are Internal Snap Ring Pliers?

Internal snap rings, as the name suggests, are snap rings that are designed to fit inside a bore or a hole. They feature a ring-shaped design with open ends that can be compressed to allow them to fit securely within a groove. Internal snap rings are usually used to secure components like bearings, shafts, or pins within a housing, preventing them from moving or coming out unintentionally.

Internal snap ring pliers are specifically designed to work with internal snap rings. These pliers consist of a spring-loaded mechanism that opens and closes the jaws when squeezed or released. The jaws of internal snap ring pliers are typically thin and straight, allowing them to fit inside the bore or hole easily. By compressing the snap ring, the pliers can be used to remove or install it within the groove.

What are External Snap Ring Pliers?

External snap rings, on the other hand, are snap rings that fit around the outside diameter (OD) of a component. They have an open-circular design with small protrusions or tabs that lock into a groove on the outside of the component, securing it in place. External snap rings are generally used to prevent components like gears, pulleys, or bearings from sliding or popping out of position.

External snap ring pliers are designed specifically for handling external snap rings. These pliers typically have jaws that are curved outward or bent at an angle. The curvature allows the jaws to grip the external snap ring securely, allowing for easy removal or installation. The pliers can be squeezed to compress the snap ring, making it small enough to fit into the groove or groove cavity.

The Key Differences.

The main difference between internal and external snap ring pliers lies in the shape and orientation of their jaws. Internal snap ring pliers have straight and thin jaws, suitable for fitting inside the bore or hole where the internal snap ring is situated. In contrast, external snap ring pliers have curved or angled jaws to surround the outside diameter of the component where the external snap ring resides.

Furthermore, the tips or ends of the jaws also differ between internal and external snap ring pliers. Internal snap ring pliers usually have sharp or pointed ends to grasp the inner part of the snap ring securely. External snap ring pliers, on the other hand, often have flat ends to provide a wider surface area for better grip on the outer part of the snap ring.

Closing Paragraph:

In conclusion, understanding the difference between internal and external snap ring pliers is crucial for anyone working with snap rings. Internal snap ring pliers are used with snap rings located inside a bore or hole, while external snap ring pliers are used with snap rings positioned around the outside diameter of a component. Knowing which type of pliers to use for a particular application ensures efficient and effective handling of snap rings. If you have further questions about snap ring pliers or need assistance with any other tools, please do not hesitate to contact us.

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