Distinguishing between a side cutter and a diagonal cutter is essential for professionals and DIY enthusiasts alike. Electronics repair often necessitates precision cutting, and understanding the nuances between these tools becomes crucial. The Nipper Tool Company manufactures various cutting implements, each designed for specific applications. Consequently, selecting the right tool from a local hardware store significantly impacts project efficiency. This article explains the differences between side cutter vs diagonal cutter, helping you make the best choice for your cutting needs.

Image taken from the YouTube channel Low Voltage Nation , from the video titled KNIPEX vs KLEIN diagonal side cutters (BEST cable cutters) .
Side Cutter vs. Diagonal Cutter: Understanding the Differences and Applications
This article aims to dissect the differences between side cutters and diagonal cutters, providing clarity on their specific functionalities and helping you determine which tool is better suited for your needs. We will delve into their design variations, intended uses, and practical considerations to empower you to make informed decisions.
Defining Side Cutters and Diagonal Cutters
Before comparing the tools, it’s crucial to establish clear definitions. This will form the foundation for understanding their individual strengths and weaknesses in the "side cutter vs. diagonal cutter" comparison.
Side Cutters Explained
Side cutters, also known as flush cutters or nippers (though nippers can sometimes refer to a distinct tool), are characterized by their jaws aligning closely to the cutting edge. This allows for precise, flush cuts, often leaving a very smooth finish.
- Blade Alignment: Blades meet almost perfectly parallel, close to the pivot point.
- Cutting Action: Primarily designed for cutting soft materials close to a surface.
- Typical Applications: Electronics assembly, jewelry making, model building, and removing plastic sprues.
Diagonal Cutters Explained
Diagonal cutters, sometimes referred to as "dikes" (short for diagonal cutting pliers), feature angled cutting edges that create a beveled cut. Their robust design allows for cutting harder materials, albeit with a less precise or flush finish.
- Blade Alignment: Blades meet at a slight angle.
- Cutting Action: Designed for cutting wires and other materials where a perfectly flush cut is not essential.
- Typical Applications: Electrical work, general wiring, removing nails, and cutting through thicker materials.
Key Differences in Design and Functionality
Understanding the distinct physical characteristics of each tool is crucial in the "side cutter vs. diagonal cutter" debate.
- Blade Geometry: As mentioned, the blade angle is the primary visual differentiator. Side cutters are more straight, while diagonal cutters have an angled blade.
- Jaw Strength and Material: Diagonal cutters are typically made from stronger steel to withstand higher cutting forces. Side cutters often prioritize sharpness and precision over brute strength.
- Handle Design: Handle design may vary, but generally, diagonal cutters are built with longer handles for increased leverage. This is tied to their application for heavier-duty cutting.
Practical Applications: "Side Cutter vs. Diagonal Cutter" in Action
This section focuses on specific scenarios where one tool excels over the other. Let’s examine where each tool shines in various practical applications.
When to Use Side Cutters
- Delicate Work: Side cutters are ideal for situations requiring clean, flush cuts on delicate materials, such as trimming component leads on a circuit board.
- Accessibility: Their design allows for accessing tight spaces and cutting close to surfaces.
- Examples:
- Trimming plastic model parts.
- Cutting zip ties flush against a surface.
- Working with fine wires in electronics.
When to Use Diagonal Cutters
- Cutting Thicker Materials: Diagonal cutters are more suitable for cutting thicker wires, small nails, and other robust materials.
- Durability: Their stronger construction makes them more durable for repeated use on tougher materials.
- Examples:
- Cutting electrical wiring (with appropriate safety precautions).
- Trimming fence wires.
- Removing small nails or staples.
A Comparative Table
The following table consolidates the information to offer a quick "side cutter vs. diagonal cutter" comparison.
Feature | Side Cutter | Diagonal Cutter |
---|---|---|
Blade Angle | Near parallel/Flush | Angled |
Cutting Precision | High | Moderate |
Material Strength | Lower | Higher |
Best Used For | Delicate work, flush cuts, soft materials | Thicker materials, heavier duty applications |
Example Use | Electronics assembly, jewelry making | Electrical work, general wiring |
Side Cutter vs Diagonal Cutter: Frequently Asked Questions
Here are some frequently asked questions to clarify the differences and best uses for side cutters and diagonal cutters.
What is the main difference between a side cutter and a diagonal cutter?
The primary difference lies in the blade angle relative to the handles. Side cutters have blades aligned with the handles, while diagonal cutters have blades set at an angle. This angle affects the cutter’s reach and leverage in different applications.
When should I use a side cutter?
Side cutters excel in flush cutting, where you need to trim a wire or component lead very close to a surface. Their design allows for precise cuts in tight spaces.
Are diagonal cutters suitable for cutting hardened steel?
While some diagonal cutters are designed for tougher materials, they are generally better suited for softer metals like copper or aluminum. Attempting to cut hardened steel with standard diagonal cutters can damage the blades. For hardened steel, specialized hardened wire cutters are recommended.
Can I use a side cutter instead of a diagonal cutter for general wire cutting?
You can, but diagonal cutters are often preferred for general wire cutting due to their angled jaws providing better leverage. This makes cutting thicker wires easier and requires less force. The optimal choice depends on the wire’s thickness and the desired ease of cut.
So, next time you’re reaching for a cutting tool, remember the key differences! Hopefully, you now have a clearer picture of the side cutter vs diagonal cutter debate. Happy cutting!