How to Use Diagonal and Wire Cutters Properly

Using diagonal cutters, wire, and chain cutters might seem straightforward, but there's more to it than just grabbing the tool and going for it. Firstly, it's essential to keep any body part away from the cutting edge, but it's also crucial to understand that misuse of these tools can lead to serious injuries or tool damage. Always ensure you're using the appropriate tool for the task, wear safety glasses, and handle the tool correctly.

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This guide effectively summarizes the basic use of diagonal and wire cutters. You simply open the jaws, insert the item you want to cut at the back, and squeeze the handles together. Voila, the item is cut. For softer metals, you can cut closer to the tips. However, using the tool incorrectly—like cutting the wrong gauge wire—can lead to breaking the tool or injury. 

Take, for example, a cutter with a broken tip. Made from C70 tool steel, this tool is designed to handle materials like copper, hard piano wire, nails, and screws. But a broken tip often results from improper use; nails should be cut towards the tool's back for added support. Using the tips for tougher cuts can lead to damage. You can see a proper demonstration of this technique with Wiha scissors cutting a nail correctly, featuring a push button for enhanced cutting power with minimal effort. In summary, avoid using the tip for cutting challenging materials.

At Haus of Tools, we emphasize that investing in quality tools is crucial, but knowing how to use them correctly is equally important. Misusing even the best tools not only increases the risk of damaging them but can also cause injuries from broken parts. By selecting a quality tool and using it correctly, you increase your chances of success in both professional and home tasks.

Diagonal pliers are primarily utilized to trim excess leads from wires and components. They also serve as a replacement for standard scissors in cutting insulated bushings and nylon tire wire cards.

The cutting edge of diagonal pliers is effective for cutting rubber or plastic insulation of flexible wires. When dealing with No. 8 galvanized iron wire, it's best to cut back and forth around the surface several times before breaking it off with a gentle pull. These pliers can also handle hard metal wires like steel wire. Electricians commonly use diagonal pliers of various lengths, typically 150 to 250mm, based on their tasks.

When using diagonal pliers, ensure the pliers face downward to prevent injury from cut wires. Flat-nose pliers should never be used on tough objects like thick steel wires to avoid jaw damage. Additionally, never use pliers with damaged insulation on live wires to minimize the risk of electric shock.

It's important for users to be familiar with the tool’s performance, characteristics, and maintenance. The correct way to operate diagonal pliers is to grip them properly: hold the handle with your right thumb and four fingers and exert force while pushing down to cut the target effectively.

The blades of diagonal pliers can be used for cutting insulation, wires, and iron. For No. 8 galvanized wire, a back-and-forth cutting action is optimal before pulling the wire apart. They are also essential for cutting tougher metal wires, making them indispensable for electricians, who can choose from various specifications tailored to their work.

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