Diagonal pliers

02 Jul.,2024

 

Diagonal pliers

Cutting tool

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"Wirecutter" redirects here. For the review website, see Wirecutter (website)

Diagonal pliers with uninsulated handles

Diagonal pliers (also known as wire cutters or diagonal cutting pliers, or under many regional names) are pliers intended for the cutting of wire or small stock, rather than grabbing or turning. The plane defined by the cutting edges of the jaws intersects the joint rivet at an angle or "on a diagonal", giving pliers their name.

They are also adapted for use in inaccessible places.[1]

Action

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Instead of using a shearing action as with scissors, diagonal pliers cut by indenting and wedging the wire apart. The jaw edges are ground to a symmetrical "V" shape, thus the two jaws can be visualized to form the letter "X", as seen end-on when closed. The blades are made of tempered steel, and inductive heating and quenching are often used to harden the jaws.

Jargon

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Diags, dykes or dikes is jargon used especially in the US electrical industry to describe diagonal pliers. "Dike" can also be used (but only colloquially) as a verb, as in the phrase "when in doubt, dike it out".

In UK English and Irish English, diagonal pliers are commonly referred to as snips, nippers or side cutters. The term snips commonly refers to larger items, not to those used for cutting electrical wiring etc. In Canada, Australia and New Zealand too, the items are often referred to as side cutters.

Insulation

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The handles of diagonal cutting pliers are commonly insulated with a dip-type or shrink fit electrically insulating material for comfort and some protection against electric shock.

Uses

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Diagonal pliers are useful for cutting copper, brass, iron, aluminium and steel wire. Lower quality versions are generally not suitable for cutting tempered steel, such as piano wire, as the jaws are not hard enough. Attempting to cut such material will usually cause indentations to be made in the jaws, or a piece to break out of one or both jaws, thus ruining the tool. However higher quality side cutters can cut hardened steel, such as 2 mm piano wire.

Variations

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Light-duty flush cutting wire cutters with offcut retaining finger

Compound-action wire cutters

For electronics work, special diagonal cutters that are ground flush to the apex of the cutting edge on one side of the jaws are often used. These flush-cutting pliers allow wires to be trimmed flush or nearly flush to a solder joint, avoiding the sharp tip left by symmetrical diagonal cutters. It is common for this type of diagonal cutter to be referred to by another name, such as flush cutter to distinguish it from symmetrical cutters.

For easier cutting of larger gauge wire, a compound action can be employed to increase the mechanical advantage.

Some pliers for electrical work are fitted with wire-cutter blades either built into the jaws or on the handles just below the pivot.

Other variations are made to create high leverage specifically to cut through hard wire, such as electrical fence wire, dental wire, and piano wire.

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References

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  1. ^Hanrahan, Gene Z (). Pre-service course in shop practice. New York: J. Wiley & Sons. p. 81. LCCN .

What are diagonal cutting pliers and what are they used for?

Nov. 09,

How do you cut wire, over and over again, without getting tired?

The answer you're looking for is diagonal cutting pliers.

But why are these pliers different from other pliers? Why are they so easy to use? In this article, we will tell you everything about these diagonal cutting pliers.


What are diagonal-cutting pliers?


A diagonal cutting plier is a type of plier used to cut wires. They are also known as side-cutting pliers, flat-cutting pliers, side-cutting pliers, wire-cutting pliers, and mitering pliers. They are designed to perform cutting rather than gripping or pulling tasks. They consist of a pair of jaws, a pivot point, and a pair of handles. The handles are usually dipped in colored plastic, which provides a unique look and insulation to identify the tool.


The jaws are sharp and beveled to cut wire closely and efficiently. The pivot point between the jaws and the handle is placed close to the jaws to provide maximum mechanical advantage to the technician using the tool. There are many alternative names for diagonal pliers, including dykes, mitering pliers, and side-cutting pliers.


Pliers are a class of tools that have multiple uses, with diagonal pliers being more narrowly focused. Other types of pliers are better suited for gripping and manipulating wire because they have a blunt or ridged surface that is not intended to be cut. Mechanics such as electricians occasionally have a multipurpose pliers tool that combines the beveled edge of a pair of pliers with the gripping surface found in other types of pliers. But for their designated cutting tasks, beveled-nose pliers are perfect. The metal in the jaws of a pair of diagonal cutting pliers is usually carbon steel or another alloy that is hard enough to penetrate the softer, conductive metals used in wire, such as copper.


How are side cutters different from

regular pliers

?


Side-cutting pliers have the following characteristics.

These pliers cannot be gripped. They have cutting edges in the jaws.

The pliers have an angled edge. This means they are designed to cut wire by applying a greater cutting force.

The jaws and cutting edges are hardened to increase the life of the cutter.



Is there a difference between diagonal cutting pliers and electronic pliers when cutting cable ties? 


Diagonal cutters are great pliers to have in any toolbox. They are suitable for cutting a variety of different sizes of wire and solid materials, such as screws. However, they are not suitable for cutting cable ties or cable ties. The blades on the miters are not flush, which means they leave "spikes" of material when the cut is complete. This is not a good thing for zippers. The small plastic spike that remains is usually very sharp and can cut your hands and arms when handling the wire harness. A better tool choice for this application is a pair of electronic pliers. The electronic pliers are designed to not only cut the electronics cleanly but also cut the ties flush and leave no nails, which means no more cuts to your hands.


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